Chang and Eng Bunker
Chang Bunker and Eng Bunker were Siamese (Thai)-American conjoined twin brothers whose fame propelled the expression "Siamese twins" to become synonymous for conjoined twins in general. They were widely exhibited as curiosities and were "two of the nineteenth century's most studied human beings".
11 May 1811
Born on the same birth date (11 May 1811): Jean-Jacques Challet-Venel
Born on the same birth day (11 May): Bernard Fox (actor) • Edsger W. Dijkstra • Gladys Rockmore Davis • Holly Valance • James L. Dolan • Jean-Jacques Challet-Venel • Laetitia Casta • Lise de Baissac • Niwa Nagashige • Phil Silvers • Valentino (fashion designer) • Viktória Hrunčáková • Yuki Tsunoda
Born in the same month (May 1811): Alfred Domett • Andreas Laskaratos • Giulia Grisi • Henry Pelham-Clinton, 5th Duke of Newcastle • Jean-Jacques Challet-Venel • Juan Bautista Ceballos