    __notoc__ year 1821 (mdcccxxi) was a common year starting on monday (link will display the full calendar) of the gregorian calendar and a common year starting on saturday of the 12-day slower julian calendar. == events == === january&ndash;march === * january 21 &ndash; peter i island in the antarctic first sighted by fabian gottlieb von bellingshausen. * january 28 &ndash; alexander island, the largest in antarctica, is first discovered by fabian gottlieb von bellingshausen. * february 9 &ndash; the george washington university is chartered as the columbian college of the district of columbia by president monroe. * march 4 &ndash; james monroe is sworn in for his second term as president of the united states. * march 25 (o.s.)/april 6 (n.s.) &ndash; metropolitan bishop germanos of patras raises the revolutionary flag of greece at the monastery of agia lavra, symbolically marking the beginning of the greek war of independence against the ottoman empire; later celebrated as greece's traditional independence day (although more recent historical evidence suggests that the war had started before this date).?? === april&ndash;june === * april 10 &ndash; ecumenical patriarch patriarch gregory v of constantinople is blamed by the ottoman government for being unable to suppress greek independence and is hanged outside the main gate of the patriarchal cathedral immediately after the celebration of easter. * may 5 &ndash; emperor napolÃ©on i dies in exile on saint helena of stomach cancer. * may 26 &ndash; establishment of the peloponnesian senate by the greek rebels. * june 14 &ndash; king badi vii of sennar surrenders his throne and realm to ismail pasha, general of the ottoman empire, ending the existence of that sudanese kingdom. * june 19 &ndash; the philikÃ­ etaireÃ­a are decisively defeated by the ottomans at drÄgÄÅani (in wallachia). * june 24 &ndash; battle of carabobo: simÃ³n bolÃ­var wins venezuela's independence from spain. * june 27 &ndash; the new hampton school is founded in the united states state of new hampshire. === july&ndash;september === * july 10 &ndash; the united states takes possession of its newly bought territory of florida from spain. * july 19 &ndash; george iv is crowned king of the united kingdom of great britain and ireland. * july 28 &a
1821