Archduke Franz Ferdinand of Austria

Archduke Franz Ferdinand Carl Ludwig Joseph Maria of Austria was the heir presumptive to the throne of Austria-Hungary. His assassination in Sarajevo was the most immediate cause of World War I.

18 December 1863

Born on the same birth day (18 December): Alfred Bester • Angie Stone • Augusta Holmès • Barkha Dutt • Billie Eilish • Bobby Jones (basketball, born 1951) • Brad Pitt • December 18 • Gino Cimoli • Giuliano Razzoli • Harold Land • John Cooper (hurdler) • Jules Dassin • Lucious Harris • Nancy Ryles • Neil Fingleton • Saki • Sophie of Mecklenburg (1481–1503)

Born in the same month (December 1863): Annie Jump Cannon • Arthur Dehon Little • Charles Edward Ringling • Charles Lincoln Edwards • Charles Pathé • Edvard Munch • George Santayana • Louis Lincoln Emmerson • Richard Warren Sears