Portal:Biography/Selected anniversaries/April 11

Births

 * 1755 - James Parkinson, English physician (d. 1824)
 * 1825 - Ferdinand Lassalle, German politician (d. 1864)
 * 1889 - Nick LaRocca, American musician (d. 1961) (pictured)
 * 1913 - Oleg Cassini, American fashion designer (d. 2006)
 * 1987 - Joss Stone, English singer

Deaths

 * 1240 - Llywelyn the Great, King of Gwynedd
 * 1890 - Joseph Merrick, "The Elephant Man" (b. 1862)
 * 1926 - Luther Burbank, American botanist (b. 1849)
 * 1987 - Primo Levi, Italian chemist, composer, librettist, and author (b. 1919)
 * 2007 - Kurt Vonnegut, American author (b. 1922)