What happend on 29th February

28.02
01.03
1720

Queen Ulrika Eleonora of Sweden abdicates in favour of her husband who becomes King Frederick I

1712

February 29 is followed by February 30 in Sweden, in a move to abolish the Swedish calendar for a return to the Old style.

1704

Queen Anne's War: French forces and Native Americans attack and destroy Deerfield, Massachusetts, killing 100 men, women, and children.

1504

Christopher Columbus uses his knowledge of a lunar eclipse that night to convince Native Americans to provide him with supplies.