Wikipedia:Selected anniversaries/March 29
- 1461 - Yorkist troops won the Battle of Towton, the largest battle in the Wars of the Roses up till that time.
- 1638 - Swedish settlers founded New Sweden near Delaware Bay, the first Swedish colony in America.
- 1809 - At the Diet of Porvoo, the Four Estates of Finland pledged allegiance to Tsar Alexander I of Russia, commencing the secession of the Grand Duchy of Finland from Sweden.
- 1911 - Designed by John Browning, the M1911 semi-automatic handgun became the standard-issue sidearm in the United States Army.
- 1981 - More than seven thousand athletes took part in the first running of the London Marathon.