Page 2: Historical Events In April - 20
Tuesday, 09 December 2025
1769 On this day in history in Cahokia Illinois, Pontiac, Chief of the Ottawas, murdered by an Illinois Indian; six years earlier he helped lead the Ottawa, Hurons (Wyandots), Potawatomis and Ojibwas in a rising against the British garrisons on the Great Lakes. 

1769 Pontiac, indian chief to Ottawa, murdered on this day in history. 

1770 Capt Cook arrives in New South Wales on this day in history. 

1775 On April - 20 british begin siege of Boston 

1775 On this day in history british begin siege of Boston As a result, New York adopts new constitution as an independent state 

1777 New York adopts new constitution as an independent state on this day in history. 

1782 On April - 20 netherlands recognizes US 

1786 On this day in history john Goodricke, English deaf & dumb astronomer, dies at 21 

1792 On April - 20 france declares war on Austria, Prussia & Sardinia 

1799 Friedrich von Schiller's "Wallensteins Tod," premieres in Weimar on April - 20. 

1808 Louis-Napoleon (Napoleon III), emperor of France (1852-71) on this day in history. 

1809 Napolean I defeats Austria at Battle of Abensberg, Bavaria on this day in history. 

1809 On this day in history napoleon I defeats Austria at Battle of Abensberg, Bavaria 

1809 John Smith Preston, Brig General (Confederate Army), died in 1881 on this day in history. 

1810 On this day in history the Governors of Caracas declares the national sovereignty from Spain. 

1812 On this day in history george Clinton, 4th US VP, dies at 73 1st VP to, die in office 

1820 Arthur Young, author (Annals of Agriculture), dies on April - 20. 

1821 On April - 20 franz K Achard, German physicist/chemist, dies at 67 

1824 On April - 20 alfred Holt Colquitt, Brig General (Confederate Army), died in 1894 

1826 On this day in history dina M Craik, writer 

1827 John Gibbon, Major General (Union volunteers), died in 1896 on April - 20. 

1828 René Caillié is first non-Muslim to enter Timbouctou on this day in history. 

1832 Hot Springs National Park, the first national park in the U.S., was established by an act of Congress on April - 20. 

1836 Territory of Wisconsin created on this day in history. 

1836 On this day in history johan I Jozef, monarch of Liechtenstein/fieldmarshal, dies at 75 

1839 On this day in history carol I, King of Romania (1881-1914) 

1839 Giuseppe Rossini, father of Italian composer Gioacchino Rossini, dies on this day in history. 

1841 First detective story (Poe's "Murders in the Rue Morgue") published on this day in history. 

1841 1st detective story (Poe's "Murders in Rue Morgue") published on this day in history. 

1850 Daniel Chester, French/American sculptor (Minute Man) on this day in history. 

1853 On April - 20 harriet Tubman starts Underground Railroad 

1857 Charles LP "Philip" Zilcken, painter/author (HW Knife Day) on April - 20. 

1858 Auguste Chapuis, composer on April - 20. 

1860 On this day in history charles Gordon Curtis, US attorney/inventor (Curtis Turbine) 

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