Ferdinand I of Bulgaria

Ferdinand I was Prince of Bulgaria from 1887 to 1908 and Tsar of Bulgaria from 1908 until his abdication in 1918. Under his rule Bulgaria entered the First World War on the side of the Central Powers in 1915.

26 February 1861

Born on the same birth date (26 February 1861): Nadezhda Krupskaya

Born on the same birth day (26 February): Albert VI, Duke of Bavaria • Betty Hutton • Leif Rohlin • Mark Dacascos • Oh Seung-bum • Oldřich Kulhánek • Robert Alda • Sharyn McCrumb

Born in the same month (February 1861): Alfred North Whitehead • Charles Édouard Guillaume • Lou Andreas-Salomé • Nadezhda Krupskaya • Nikolay Zelinsky • Princess Helen of Waldeck and Pyrmont • Solomon R. Guggenheim