IBM was founded.

On 16 June 1911, IBM was founded as the Computing-Tabulating-Recording Company (CTR) in Endicott, New York, United States.

On 14 February 1924, the company was renamed International Business Machines (IBM).

On 1935, IBM secured a major contract for the United States Social Security program.

On 7 April 1964, IBM launched the System/360 family of mainframe computers.

On 12 August 1981, IBM introduced the IBM Personal Computer (IBM PC).

On 11 May 1997, IBM's Deep Blue became the first computer to defeat reigning world chess champion Garry Kasparov in a match.

On 14 February 2011, IBM's Watson artificial intelligence system won the quiz show Jeopardy! against human champions.
..