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300 B.C.	The counting board much like the later abacus is believed to be first used by the Babylonians circa.
500 B.C.	The abacus much like the device we know today begins being used.
1502	Peter Henlein, a craftsman from Nuremberg Germany, creates the first watch.
1600	William Gilbert coins the term electricity from the Greek word elecktra.
1617	John Napier introduced a system called "Napier’s Bones," made from horn, bone or ivory the device allowed the capability of multiplying by adding numbers and dividing by subtracting.
1622	The circular slide rule is invented by William Oughtred.
1623	The first known workable mechanical calculating machine is invented by Germany’s Wilhelm Schickard.
1642	France ’s Blaise Pascal invents a machine, called the Pascaline, that can add, subtract, and carry between digits.
1674	Germany ’s Gottfried Wilhelm Leibnitz creates a machine that can add, subtract, multiply and divide automatically.
1774	The first telegraph is built.
1780	American Benjamin Franklin discovers electricity.
1791	Charles Babbage is born.
1804	France ’s Joseph-Marie Jacquard completes his fully automated loom that is programmed by punched cards.

1820	Thomas de Colmar creates the first reliable, useful and commercially successful calculating machine.
1821	Charles Babbage invents the Difference Engine.
1827	George Simon Ohm introduces Ohm's law in the book Die galvanische Kette, mathematisch bearbeitet.
1831	Joseph Henry of Princeton invents the first working telegraph.
1838	Samuel Morse invents a code (later called Morse code) that used different numbers to represent the letters of the English alphabet and the then digits.
1851	Western Union was founded.
1866	The first successful Trans-Atlantic cable is laid from Ireland to Newfoundland.
1868	Christopher Sholes invents the typewriter in the United States utilizing the QWERTY keyboard.
1871	Charles Babbage passes away October 18, 1871.
1875	Tanaka Seizo-sho is established in Japan and later merges with another company called shibaura Seisaku-sho to form Tokyo Shibarura Denki. Later this company’s name is shortened to the company that we know today, Toshiba.
1876	American Alexander Graham Bell invents the telephone.
1877	The microphone is invented in the United States by Emile Berliner.
1880	ASME is founded.
1883	American Thomas Edison discovers the Edison effect, in which a electric current flows through a vacuum.
1885	American Telegraph and Telephone company ( AT&T) is incorporated.
1988	Nikola Tesla patents the rotating field motor May 1, 1988 and later sells the rights to George Westinghouse. This invention helps create and transmit AC power and today is still a method for generating and distributing AC power.
1888	William S. Burroughs patents a printing adding machine.
1896	Herman Hollerith starts the Tabulating Machine Company, the company later becomes the well-known computer company IBM (International Business machines).
1897	German scientist Karl Ferdinand Braun invents the Cathode-Ray Oscilloscope.
1901	The first radio message is sent across the Atlantic Ocean in Morse code.
1906	The IEC is founded in London England.
1906	Grace Hopper is born December 9, 1906.
1911	Company now known as IBM on is incorporated June 15, 1911 in the state of New York as the Computing - Tabulating - Recording Company (C-T-R), a consolidation of the Computing Scale Company, and The International Time Recording Company.
1912	Alan Turing is born June 23, 1912.
1920	First radio broadcasting begins in United States, Pittsburgh, PA.
1921	Czech playwright Karel Capek coins the term " robot" in the 1921 play RUR (Rossum's Universal Robots).
1921	The first Radio Shack store is open.
1923	Eugene Kleiner is born.
1923	Jack Kilby is born November 8, 1923.
1924	The Tabulating Machine Company is renamed to IBM.
1925	Douglas Engelbart is born.

1925	Seymour Cray is born.
1927	Robert Noyce is born December 12, 1927.
1927	The first publicly demonstrated TV is demonstrated at Bell Telephone Laboratories.
1928	September 25, 1928, The Galvin Manufacturing Corporation begins, the company will later be known as Motorola.
1929	Gordon Moore is born January 3, 1929.
1930	Edsger Dijkstra is born May 11, 1930.
1930	Galvin Manufacturing Corporation Auto radios begin to be sold as an accessory for the automobile. Paul Galvin coins the name Motorola for the company's new products, linking the ideas of motion and radio.
1930	Citizen is founded.
1932	Jay Glenn Miner is born May 31, 1932.
1933	Canon is established.
1934	The FCC is established.
1934	The US Communication Act goes into place.
1936	Dvorak keyboard developed.
1938	Germany ’s Konrad Zuse creates the Z1, one of the first binary digital computers and a machine that could be controlled through a punch tape.
1938	Orson Welles and Houseman broadcast H.G. Welles War of the Worlds on the airways October 30th as a Halloween spoof.
1939	George Stibitz completes the Complex Number Calculator capable of adding, subtracting, multiplying and dividing complex numbers. This device provides a foundation for digital computers.
1939	The first Radio Shack catalog is published.
1939	Iowa State College’s John Vincent Atanasoff and Clifford Berry create a prototype of the binary-based ABC (Atanasoft-Berry Computer). This device is often considered the first automatic digital computer.
1939	Hewlett Packard is found by William Hewlett and David Packard.
1940	The first handheld two-way radio called the "Handy Talkie" is created by Motorola for the U.S. Army Signal Control.
1941	German Konrad Zuse finishes the Z3, a fully operational calculating machine.
1943	ENIAC (Electronic Numerical Integrator and Computer), the first general-purpose electronic digital calculator begins to be constructed. This computer by most is considered to be the first electronic computer.
1943	Dan Noble with Motorola designs a "Walkie Talkie" the first portable FM two-way radio that a backpack version that weighed 35 pounds.
1944	The relay-based Harvard-IBM MARK I a large programmable-controlled calculating machine provides vital calculations for the U.S. Navy. Grace Hopper becomes its programmer.
1945	The term ‘bug’ as computer bug was termed by Grace Hopper when programming the MARK II.
1946	F.C. Williams applies for a patent on his cathode-ray tube (CRT) storing device, an original form of random-access memory (RAM).
1946	ENIAC computer completed.
1946	Robert Metcalfe is born.
1947	John Bardeen, Walter Brattain and William Shockley invent the first transistor at the Bell Laboratories.
1947	F.C. Williams memory system is now in working order.
1947	ISO is founded.

1948	IBM builds the SSEC (Selective Sequence Electronic Calculator). The computer contains 12,000 tubes.
1948	Andreew Donald Booth creates magnetic drum memory, which is two inches long and two inches wide and capable of holding 10 bits per inch.
1948	The 604 multiplying punch, based upon the vacuum tube technology, is produced by IBM.
1948	The television begins to divert radio audiences.
1949	Claude Shannon builds the first machine that plays chess at the Massachusetts Institute of Technology.
1949	The Harvard-MARK III, the first of the MARK machines to use an internally stored program and indirect addressing, goes into operations again under the direction of Howard Aiken.
1949	The small-scale electronic machine (SSEM) is fully operational at Manchester University.
1950	The first electronic computer is created in Japan by Hideo Yamachito.
1950	The enhanced Z4 is installed by Konrad Suse
1950	Steve Wozniak is born August 11, 1950.
1950	Alan Turing publishes his paper Computing Machinery and Intelligence in October. This paper helps create the Turing Test.
1950	The NICAD battery begins its commercial use.
1951	The first business computer, the Lyons Electronic Office (LEO) is completed by T. Raymond Thompson, John Simmons and their team at Lyons Co.
1951	The first commercial computer, the "First Ferranti MARK I" is now functional at Manchester University.
1951	The first ISO is published with the title, "Standard reference temperature for industrial length measurement".
1951	UNIVAC I was introduced.
1951	Dan Bricklin is born.
1952	Fairly reliable working magnetic drum memories for use in computers begin to be sold by Andrew Donald Booth and his father.
1952	IBM introduces the first IBM 701.
1952	The Moore school completes a finished version of the EDVAC, with a clock speed of one megahertz.
1953	A magnetic memory smaller and faster than existing vacuum tube memories is built at MIT.
1953	Paul Allen is born January 21, 1953.
1953	The IBM 701 becomes available to the scientific community. A total of 19 are produced and sold.
1954	IBM produces and markets the IBM 650. More than 1,800 of these computers are sold in an eight-year span
1954	Larry Wall is born.
1954	Alan Turing passes away June 7, 1954.
1954	The first version of FORTRAN (formula translator) is published by IBM.
1955	Steve Jobs is born February 24, 1955

1955	Dartmouth College ’s John McCarthy coins the term "artificial intelligence."
1955	Tim Bernes-Lee is born June 8, 1955.
1955	William (Bill) H. Gates is born October 28, 1955.
1955	IBM introduces the first IBM 702.
1955	Bell Labs introduces its first transistor computer. Transistors are faster, smaller and create less heat than traditional vacuum tubs, making these computers more reliable and efficient.
1955	The ENIAC is turned off for the last time. It’s estimated to have done more arithmetic than the entire human race had done prior to 1945.
1956	IBM’s 3005 RAMAC is the first computer to be shipped with a hard disk drive.
1957	IBM announces it will no longer be using vacuum tubes and releases its first computer that had 2000 transistors.
1957	Fairchild Semiconductor is founded by Andy Grove, Eugene Kleiner, Gordon Moore, Jerry Sanders, Robert Noyce.
1957	Digital Equipment Corporation is founded by Kenneth Olsen. The company will later become a major network computer manufacture.
1957	Russia launches the first artificial satellite, named sputnik.
1957	Casio is established.
1958	The National Advisory Committee for Aeronautics is renamed to National Aeronautics and Space Administration (NASA).
1958	The programming language FORTRAN II is created. Later FORTRAN III is created but never released to the public.
1958	President Eisenhower’s Christmas address is the first voice transmission from a satellite.
1958	The first integrated chip is first developed by Robert Noyce of Fairchild Semiconductor and Jack Kilby of Texas Instruments. The first microchip was demonstrated on September 12, 1958.
1959	Hitachi is founded.
1959	The Harvard-MARK I is turned off for the last time.
1959	Motorola produces the two-way, fully transistorized mobile radio.
1959	Panasonic is founded.
1960	IBM’s 1400 series machines, aimed at the business market begin to be distributed.
1960	The Common Business-Oriented Language ( COBOL) programming language is invented.
1960	Psychologist Frank Rosenblatt creates the Mark I Perception, which has an "eye" that can learn to identify its ABCs.
1960	RS-232 is introduced by EIA.
1960	IFIP is founded.
1960	Digital introduces the PDP-1.
1961	Hewlett-Packard stock is accepted by the New York Stock Exchange for national and international trading.
1961	General Motors puts the first industrial robot – the 4,000 pound Unimate – to work in a New Jersey factory.
1961	Accredited Standards Committee is founded, this committee later becomes the INCITS.
1961	P.Z. Ingerman develops a thunk.
1961	ECMA is established.

1961	The programming language FORTRAN IV is created.
1962	The NASA rocket, the Mariner II, is equipped with a Motorola transmitter on it strip to Venus.
1962	Sharp is founded.
1963	Doug Engelbart invents and patents the first computer mouse.
1963	IEEE is founded.
1963	The American Standard Code for Information Interchange (ASCII) is developed to standardize data exchange among computers.
1964	Dartmouth University ’s John Kemeny and Thomas Kurtz develop Beginner’s All-purpose Symbolic Instruction Language ( BASIC).
1964	The TRANSIT system becomes operational on U.S. Polaris submarines. This system later becomes known as GPS.
1964	The first computerized encyclopedia is invented at the Systems Development Corporation.
1965	Ted Nelson coins the term "hypertext," which refers to text that is not necessarily linear.
1965	Engineers at TRW Corporation develop a Generalized Information Retrieval Language and System which later develops to the Pick Database Management System used today on Unix and Windows systems.
1965	Texas Instruments develops the transistor-transistor logic (TTL).
1965	Gordon Moore makes an observation that later becomes widely known as Moore's Law.
1966	MIT’s Joseph Weizenbaum writes a program called ELIZA, that makes the computer act as a psychotherapist.
1966	Stephen Gray establishes the first personal computer club, the Amateur Computer Society
1967	IBM creates the first floppy disk.
1967	The LOGO programming language is developed and is later known as "turtle graphics," a simplified interface useful for teaching children computers.
1967	GPS becomes available for commercial use.
1967	ISACA is established.
1968	Intel Corporation is founded by Robert Noyce and Gordon Moore.
1968	The movie "2001: A Space Odyssey" is released.
1968	SHRDLU is created.
1968	Seiko markets a miniature printer for use with calculators.
1968	Sony invents trinitron.
1969	Control Data Corporation led by Seymour Cray, release the CDC 7600, considered by most to be the first supercomputer.
1969	AT&T Bell Laboratories develop Unix.
1969	The first RFC is created on April 7, 1969.
1969	Linus Torvalds is born.
1969	Gary Starkweather, while working with Xerox invents the laser printer.
1969	The U.S. Department of Defense sets up the Advanced Research Projects Agency Network ( ARPANET ) this network was the first building blocks to what the internet is today.
1969	CompuServe, the first commercial online service, is established.
1969	AMD is founded.
1970	Western Digital is founded.
1970	Intel announces the 1103, a new memory chip containing more than 1,000 bits of information. This chip is classified as random-access memory (RAM).
1970	The Xerox Palo Alto Research Center (PARC) is established to perform basic computing and electronic research.
1970	The forth programming language is created by Charles H. Moore.
1970	The first ATM is demonstrated and used in Georgia.
1970	U.S. Department of Defense develops ada a computer programming language capable of designing missile guidance systems.
1970	Intel introduces the first microprocessor, the Intel 4004.
1970	The Sealed Lead Acid battery begins being used for commercial use.
1970	Jack Kilby is awarded the National Medal of Science.
1970	Centronics introduces the first dot matrix printer.
1971	The first 8" floppy diskette drive was introduced
1971	The first laser printer is developed at Xerox PARC.
1971	FTP is first purposed.
1971	SMC is founded.
1971	Schadt and Helfrich develop twisted nematic.
1971	Niklaus Wirth invents the Pascal programming language.
1971	Intel develops the the first processor, the 4004
1972	Atari releases Pong, the first commercial video game.
1972	The programming language FORTRAN 66 is created.
1972	Dennis Ritchie at Bell Labs invents the C programming language.
1972	Edsger Dijkstra is awarded the ACM Turning Award.
1972	The compact disc is invented in the United States.
1972	Cray Research Inc. is founded.
1973	Robert Metcalfe creates the Ethernet at the Xerox Palo Alto Research Center (PARC).
1973	Interactive laser discs make their debut.
1973	The ICCP is founded.
1974	Intel’s improved microprocessor chip, the 8080 becomes a standard in the microcomputing industry.
1974	The first Toshiba floppy disk drive is introduced.
1974	The IBM MVS operating system is introduced.
1974	IBM develops SEQUEL, which today is known as SQL today.
1974	IBM introduces SNA.
1975	MITS ships one of the first PCs, the Altair 8800 with one kilobyte (KB) of memory. The computer is ordered as a mail-order kit for $397.00
1975	Paul Allen and Bill Gates write the first computer language program for personal computers, which is a form of BASIC designed for the Altair. Gates later drops out of Harvard and founds Microsoft with Allen.
1975	The Byte Shop, one of the first computer stores, open in California.
1975	Steve Wozniak and Steve Jobs co-found Apple Computers.
1976	The first 5.25-inch floppy disk is invented.
1976	Microsoft introduces an improved version of BASIC.

1976	The first convention of computer hobbyist clubs is held in New Jersey.
1976	The first Public Key Cryptography known as the Deffie-Hellman is developed by Whitfield Deffie and Martin Hellman.
1976	The Intel 8086 is introduced.
1976	Matrox is founded.
1977	Ward Christansen develops a popular modem transfer modem called Xmodem.
1977	Apple becomes Incorporated January 4, 1977
1977	Apple Computer Inc., Radio Shack, and Commodore all introduce mass-market computers.
1977	ARCNET the first commercially network is developed
1977	Zoom Telephonics is founded.
1977	Apple Computer’s Apple II, the first personal computer with color graphics is demonstrated.
1977	Commodore announces that the PET (Personal Electronic Transactor) will be a self-contained unit, with a CPU, RAM, ROM, keyboard, monitor and tape recorder all for $495.00
1977	Microsoft sells the license for BASIC to Radio Shack and Apple and introduces the program in Japan.
1978	Dan Bricklin creates VisiCalc.
1978	Epson introduces the TX-80, which becomes the first successful dot matrix printer for personal computers.
1978	OSI is developed by ISO.
1978	Microsoft introduces a new version of COBOL.
1978	The 5.25-inch floppy disk becomes an industry standard.
1978	Ward Christensen and Randy Seuss have the first major microcomputer bulletin board up and running in Chicago.
1978	A worm program is invented by two researchers at Xerox PARC.
1979	Software Arts Incorporated VisiCalc becomes the first electronic spreadsheet and business program for PCs.
1979	Epson releases the MX-80 which soon becomes an industry standard for dot matrix printers.
1979	SCO is founded.
1979	Texas Instruments enters the computer market with the TI 99/4 personal computer that sells for $1,500.
1979	Hayes markets its first modem which becomes the industry standard for modems.
1979	Atari introduces a coin-operated version of Asteroids.
1979	More then half a million computers are in use in the United States.
1979	3COM is founded by Robert Metcalfe.
1979	Oracle introduces the first commercial version of SQL.
1979	The programming language DoD-1 is officially changed to Ada.
1979	The Motorola 6800 is released and is later chosen as the processor for the Apple Macintosh.
1979	The Intel 8088 is released.
1979	Phoenix is founded.
1979	VMS is introduced.
1979	Usenet is first started
1979	Bit 3 is established.
1979	Seagate is founded.
1979	Novell Data System is established as a operating system manufacturer. Later in 1983 the company becomes the Novell company.
1980	IBM hires Paul Allen and Bill Gates to create an operating system for a new PC. The pair buy the rights to a simple operating system manufactured by Seattle Computer Products and use it as a template. IBM allows the two to keep the marketing rights to the operating system, called DOS.
1980	IBM hires Microsoft to develop versions of BASIC, FORTRAN, COBOL, and Pascal for the PC being developed by IBM.
1980	Microsoft licenses Unix and starts to develop a PC version, XENIX.
1980	The programming language FORTRAN 77 is created.
1980	The first Tandy Color computer is introduced.
1980	AST is founded.
1980	FIC is founded.
1980	Iomega is established.
1980	Quantum is founded.
1981	MS-DOS 1.0 was released August, 1981.
1981	American National Standards Institute more commonly known as ANSI was founded.
1981	IBM joins the computer race with its IBM PC, which runs the new MS-DOS operating system.
1981	Kermit is developed at the Columbia University in New York
1981	Xerox introduces the graphical Star workstation. This computer greatly influences the development of Apple’s future computer models, Lisa and Macintosh, as well as Microsoft’s Windows.
1981	VHDL is proposed and begins development
1981	Hayes Introduces the Smartmodem 300 with its standard setting AT command set and a operating speed of 300 bits per second.
1981	Adam Osborne introduces the Osborne I, the first successful portable computer, which weighs 25 pounds.
1981	Hewlett-Packard Superchip the first 32-bit chip is introduced.
1981	Commodore ships the VIC-20, which later becomes the world’s most popular computer costing only $299.95.
1981	Logitech is founded in Apples, Switzerland.
1981	Adaptec is founded.
1981	Gemlight is founded.
1981	Hayes releases the Smartmodem 1200 with transfer rates of 1,200 bits per second.
1981	CTX is established.
1981	Kensington is founded.
1982	Peter Norton creates Norton Utilities.
1982	Sony releases its first Trinitron monitor.
1982	SGI is founded.
1982	Maxtor is founded.
1982	Hercules is founded.
1982	Labtec is founded.
1982	Number Nine is founded.
1982	Jack Kilby is inducted into the National Inventors Hall of Fame.
1982	Microsoft releases FORTRAN for the PC COBOL for MS-DOS, and Multiplan for the Apple II and CP / M machines.
1982	Microsoft establishes a subsidiary in England to begin foreign sales efforts.
1982	WordPerfect Corporation introduces WordPerfect 1.0 a word processing program that will become one of the computer markets most popular word processing program.
1982	The first luggable computer is introduced.
1982	Sun is incorporated in February 1982, with four employees.
1982	Lotus Development Corporation is founded and Lotus 1-2-3, a spreadsheet program is introduced.
1982	Compaq Computer Corp. is founded by Rod Canion and other Texas Instruments Incorporated engineers. Compaq is the first company to introduce a clone of the IBM PC and become IBM’s biggest challenger in the corporate market.
1982	The Commodore 64 begins to be sold with 64 kilobytes of random-access memory and containing Microsoft BASIC and dropping in price from $600 to $200 allows it to become the best-selling computer of all time.
1982	Diamond Multimedia is founded.
1982	The HX-20 becomes the first notebook-sized portable computer is introduced by Epson.
1982	MS-DOS version 1.25 is released.
1982	Apple Computer is the first personal computer manufacture to hit the $1 billion mark for annual sales.
1982	The Intel 80286 processor is announced.
1982	Adobe is founded.
1982	BTC is founded
1982	The XT bus is introduced.
1983	The IBM XT is first introduced.
1983	Zoran is founded.
1983	Paul Allen leaves Microsoft.
1983	The Time magazine nominates the PC as the "man of the year."
1983	Interplay is founded.
1983	The Apple IIe is introduced. The computer contains 64 kilobytes of RAM one megahertz 6502 processor and running Applesoft BASIC and sells for $1,400.
1983	Tandy, Epson and NEC all sell notebook computers however only the Tandy’s model 100 becomes popular because of its low price of $499.
1983	THX is established.
1983	More then 10 million computers are in use in the United States.
1983	MS-DOS 2.0 was released March, 1983.
1983	True BASIC is created and is a compiled, structured language. It doesn't require line numbers, as the original BASIC did, and includes the advanced control structures necessary for structured programming.
1983	The QIC Standard becomes the first standard in the computer history for tape drives.
1983	Microsoft Windows was announced November, 1983
1984	IBM's AT computer is introduced.