On this day in history
What happened on 21 October
3 events from Bangladesh and around the world took place on 21 October. Use the arrows to move a day at a time, or filter by category.
- Battle of Trafalgar — Nelson's naval victoryWorld
- Thomas Edison invented the practical light bulbScience
- Nobel Prize for Literature was first awardedCultural
About these entries
Each date lists a handful of events chosen for their lasting importance: milestones in the history of Bangladesh and Bengal, turning points in world affairs, and landmarks in culture and science. Years follow the Gregorian calendar.
Bangladesh dates are given as they are observed in the country. Where a historical source disagrees on a day, the most widely cited date is used.