Today in History- 1st February

International Events:

1924                 The United Kingdom recognizes the USSR.

1946                 Trygve Lie chosen as the first secretary-general of the United Nations.

1979                 Religious leader Ayatollah Khomeini return to Iran after 15 years in exile.

2003                 US space shuttle Columbia disintegrates killing all seven astronauts.

2009                 Johanna Sigurdardottir elected as Iceland's first female prime minister.

Indian Events:

2003                 Indian-born astronaut Kalpana Chawla killed in the Space Shuttle Columbia disaster.