Portal:Conservatism/Selected anniversary/October
- 1899 – the Thousand Days' War begins when Liberal forces attack Conservatives at Santander, Colombia.
- 1982 – Helmut Kohl, described as "the greatest European leader of the second half of the 20th century" by George H. W. Bush and Bill Clinton, is elected Chancellor of Germany.
- 1849 – Official founding of the Colombian Conservative Party.
- 1991 – Clarence Thomas is confirmed as a Justice of the Supreme Court of the United States.