April 1, 1815 Otto Von Bismarck, Germany, chancellor (1866-90) April 1, 1814 Jozef de Ferraris, French/Austrian general/cartographer, dies at 87 April 1, 1809 Nikolai Gogol, writer April 1, 1809 Willem Ruys J Dz, Dutch ship owner April 1, 1807 Fredrik Cygnaeus, Finnish poet/literature critic April 1, 1807 Louis Francois Chambray, composer, dies at 69 April 1, 1807 Miklos R‚vai, Hungarian linguistic/poet, dies at 57 April 1, 1807 Vaclav Josef Bartolomej Praupner, composer, dies at 61 April 1, 1803 French law rules the use of intention April 1, 1802 Hubert Reis, composer April 1, 1799 Narciso Casanovas, composer, dies at 52 April 1, 1793 Edouard CorbiŠre, French captain/writer (Le negrier) April 1, 1793 Volcano Unsen on Japan erupts killing about 53,000 April 1, 1792 Gronings feminist Etta Palm demands women's right to divorce April 1, 1789 House of Representatives 1st full meeting, New York City, F Muhlenberg 1st speaker April 1, 1785 J H Ferdinand Olivier, German painter April 1, 1772 Ignaz Franz von Mosel, composer April 1, 1755 Jean Anthelme Brillat-Savarin, French lawyer (Fisiologia del Gusto) April 1, 1748 Ruins of Pompeii found April 1, 1734 Louis Lully, composer, dies at 69