This day in History - August 15

428 Historic Events for August 15
1794 Birth Elias M Fries, Swedish botanist (System mycologicum)
1795 Event Joseph Haydn leaves England forever
1798 Death Felice Alessandri, composer, dies at 50
1803 Birth James Douglas, father of British Columbia
1807 Death Johann N Tetens, German/Danish philosopher/mathematician, dies at 70
1822 Birth Wilhelm Rust, composer
1823 Birth Orris Sanford Ferry, Bvt Major General (Union volunteers)
1824 Event Freed American slaves forms country of Liberia
1829 Birth Eduard de Hartog, composer
1832 Event Gregory XVI encyclical On liberalism and religious indifferentism
1839 Birth Hugh Archibald Clarke, composer
1843 Event National black convention meets (Buffalo NY)
1843 Event Tivoli Park in Copenhagen opens
1845 Birth Walter Crane, England, painter/illustrator (Beauty and Beast)
1848 Death Timothy Olmstead, composer, dies at 88
1848 Event M Waldo Hanchett patents dental chair
1851 Birth [Georgette A] Helena Amelung, Dutch actress (Scapegoat)
1852 Death Johan Gadolin, Finnish chemist (discovered yttrium), dies at 92
1853 Death Giovanni Battista Polledro, composer, dies at 72
1856 Birth J Keir Hardie, 1st Labour representative in British Parliament
1858 Event Regular mail to Pacific coast begins
1860 Birth Florence Kling DeWolfe Harding, 1st lady (1921-23)
1860 Birth Roosje Vos, Dutch union organizer
1861 Event Lincoln directs reinforcements to be sent to MI
1863 Event Submarine "HL Hunley" arrives in Charleston on railroad cars