January 1 Official reopening of the White House January 2 Lord Byron completes "Childe Harold's Pilgrimage" (4th canto) January 21 Keats writes his poem "On a Lock of Milton's Hair" January 30 Keats composes his sonnet, "When I Have Fears" February 7 1st successful U.S. educational magazine "Academician," begins (New York City) February 12 Chile gains independence from Spain February 17 Baron Karl von Drais de Sauerbrun patents "draisine" (early bicycle) March 18 Congress approves 1st pensions for government service April 4 Congress decided U.S. flag is 13 red and white stripes and 20 stars April 7 General Andrew Jackson conquers St. Marks Florida from Seminole indians April 14 U.S. Medical Corp forms April 16 Senate ratifies Rush-Bagot amendment (unarmed US-Canada border) April 21 Franz Grillparzer's "Sappho," premieres in Vienna April 28 Monroe proclaims naval disarmament on Great Lakes and Lake Champlain May 4 Netherlands and England sign treaty against illegal slave handling May 11 Cincinnati Reds Hod Eller no-hits St. Louis Cardinals, 6-0 May 24 General Andrew Jackson captures Pensacola Florida May 28 1st steam-vessel to sail Great Lakes launched June 3 Maratha Wars between British and Maratha Confederacy in India ends June 10 Pesaro opera theater opens with Rossini's "La gaza ladra" July 11 Keats writes "In the Cottage Where Burns is Born," "Lines Written in the Highlands," and "Gadfly" August 22 Grand duchy of Bathe forms September 30 Congress of Aken: Russia, Austria, Prussia, France and England October 8 2 English boxers are 1st to use padded gloves October 9 Congress of Aken returns to France from Libya October 19 U.S. and Chicasaw Indians sign a treaty October 20 49th parallel forms as border between U.S. and Canada October 20 U.S. and Britain agree to joint control of Oregon country October 24 Felix Mendelssohn, 9, performs his 1st public concert (Berlin) November 21 Russia's Czar Alexander I petitions for a Jewish state in Palestine December 3 Illinois becomes 21st state USA (Admission day) December 24 Franz Xaver Gruber composes "Silent Night" December 24 "Silent Night" composed by Franz Joseph Gruber; 1st sung next day December 25 1st known Christmas carol ("Silent Night, Holy Night") sung (Austria) December 25 Handel's Messiah, U.S. premieres in Boston
