On this day:
2003: Space Shuttle Columbia disintegrates on its way back to Earth. All 7 astronauts (including India born Kalpana Chawla) were killed in the disaster.
1979: Ayatollah Khomeini returns to Iran after 15 years in exile marking the beginning of the Iranian Revolution.
Born on this day:
1931: Boris Yeltsin, Russian politician, 1st President of Russia
Gone on this day:
1976: Werner Heisenberg, German physicist, Nobel Prize laureate, known for his famous “Uncertainty Principle”