3000 BC - Sumerian writing system used pictographs to represent words
2900 BC - Beginning of Egyptian hieroglyphic writing
1300 BC - Tortoise shell and Oracle bone writing were used
500 BC - Papyrus roll was used
220 BC - Chinese small seal writing was developed
100 AD - Book (Parchment Codex)
105 AD - Woodblock printing and paper was developed
1455 - Johannes Gutenberg invented the printing press using movable metal type
1755 - Samuel Johnson's dictionary standardized English spelling
1802 - The Library of Congress was established
1824 - Research on persistence of vision published
1830 - First viable design for a digital computer
1837 - Invention of the telegraph in Great Britain and United States
1861 - Motion pictures were projected onto a screen
1876 - Dewey decimal system was introduced
1877 - Eadweard Muybridge demonstrated high-speed photography
1899 - First magnetic recordings were released
1902 - Motion picture special effects were used
1906 - Lee Deforest invented the electronic amplifying tube (triode)
1923 - Television camera tube was invented by Zvorkyn
1926 - First practical sound movie
1939 - Regularly scheduled television broadcasting began in the US
1940s - Beginning of information science as a discipline
1945 - Vannevar Bush foresaw the invention of hypertext
1946 - ENIAC Computer was developed (generally recognized as the world's first computer)
1948 - Birth of field-of-information theory proposed by Claude E. Shannon
1957 - Planar transistor was developed by Jean Hoerni
1958 - First integrated circuit
1960s - Library of Congress developed LC MARC (machine readable code)
1969 - UNIX operating system was developed which could handle multitasking
1971 - Intel introduced as the first microprocessor chip
1972 - Optical Laserdisc was developed by Phillips and MCA
1974 - MCA and Phillips agreed on a standard videodisc encoding format
1975 - Altail microcomputer kit was released first personal computers for the public
1977 - RadioShack introduced the first complete personal computer
1984 - Apple Macintosh computer was introduced
Mid 1980s - Artificial intelligence was separated from information science
1987 - HyperCard was developed by Bill Atkinson recipe box metaphor
1991 - Four hundred fifty complete works of literature on one CD-ROM
January 1997 - RSA (encryption and network security software) Internet security code cracked for a 48-bit number
