300+BC /200
105 AD/1620
1843/1963
1969/1981
1991/1997
100

300+ BC

Sumerians and Phoenicians invent writing

100

105 AD

Paper invented in China

100

1843

Long distance electric telegraph begins

100

1969

ARPANET (internet’s forerunner) established

100

1991

World Wide Web begins

200

900

China institutes world’s first postal service

200

868

First surviving printed book (China)

200

1876

Telephone first demonstrated

200

1972

First e-mail sent using “@” in address

200

1992

First text message sent

300

776

Homing pigeons deliver news from Olympic Games to Athens

300

1450

Printing press with moveable metal type makes mass communication possible

300

1920

First commercial radio broadcast

300

1973

First cell phone call

300

1994

Personal blogging begins

400

300


World’s first great library established in Alexandria, Egypt

400

1605

First newspaper printed in Germany

400

1936

London Television Service begins regular broadcasts

400

1975

World’s first microcomputer, the Altair 8800 goes on sale

400

1996

Instant messaging begins

500

200

Fire signals and human messengers relay messages across Egypt and China

500

1620

Spain develops sign language

500

1963

First communications satellite launched

500

1981

IBM announces its first personal computer

500

1997

SixDegrees.com, the first social network, becomes available

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