October 21: Diwali in Hinduism, Sikhism, Jainism, and Buddhism ( 2006); Overseas Chinese Day in Taiwan.
- 1805 - Napoleonic Wars: Lord Nelson led the British fleet to victory in the Battle of Trafalgar, defeating Pierre-Charles Villeneuve and his combined French and Spanish navy.
- 1824 - English stonemason, bricklayer and inventor Joseph Aspdin patented Portland cement.
- 1854 - Florence Nightingale (pictured) and a staff of 38 nurses were sent to the Crimean War.
- 1944 - World War II: HMAS Australia was hit in the first kamikaze attack; 30 crewmen, including the commanding officer, were killed.
- 1969 - Siad Barre became President after a military coup in Somalia.
Recent days: October 20 – October 19 – October 18
More anniversaries:
October 21: Diwali in Hinduism, Sikhism, Jainism, and Buddhism ( 2006); Overseas Chinese Day in Taiwan.
- 1805 - Napoleonic Wars: Lord Nelson led the British fleet to victory in the Battle of Trafalgar, defeating Pierre-Charles Villeneuve and his combined French and Spanish navy.
- 1824 - English stonemason, bricklayer and inventor Joseph Aspdin patented Portland cement.
- 1854 - Florence Nightingale (pictured) and a staff of 38 nurses were sent to the Crimean War.
- 1944 - World War II: HMAS Australia was hit in the first kamikaze attack; 30 crewmen, including the commanding officer, were killed.
- 1969 - Siad Barre became President after a military coup in Somalia.
Recent days: October 20 – October 19 – October 18
More anniversaries: