Douglass, born Frederick Bailey, the son of a black mother and a white father, was born into slavery on a plantation in Tuckahoe, Md., circa 1817. He never knew the date of his birth, but celebrated his birthday on Feb. 14 in memory of his mother, who had brought him a heart-shaped cake on the night that he last saw her.
The events are recounted in greater detail in the Sept. 3 entry of Today in History, a Web site featuring multimedia accounts of extraordinary events for every day of the year. If you want to know what extraordinary events happened on your birthday, for example, you can find out at the Archives page of the site.