0193 - In the Balkans, the distinguished soldier Septimius Seversus was proclaimed emperor by the army in Illyricum.
0715 - Constantine ended his reign as Catholic Pope.
1241 - In the Battle of Liegnitz, Mongol armies defeated the Poles and the Germans.
1667 - In Paris, The first public art exhibition was held at the Palais-Royale.
1770 - Captain James Cook discovered Botany Bay on the Australian continent.
1838 - The National Galley opened in London.
1900 - British forces routed the Boers at Kroonstadt, South Africa.
1916 - The German army launched it’s third offensive during the Battle of Verdun.
1917 - The Battle of Arras began as Canadian troops began a massive assault on Vimy Ridge.
1918 - Latvia proclaimed its independence.
1921 - The Russo-Polish conflict ended with signing of Riga Treaty.
1940 - Germany invaded Norway and Denmark.
1957 - The Suez Canal was cleared for all shipping.
1963 - Winston Churchill became the first honorary U.S. citizen.
1968 - Murdered civil rights leader Martin Luther King Jr., was buried.
1987 - Dikye Baggett became the first person to undergo corrective surgery for Parkinson’s disease.
1991 - Georgia voted to secede from the U.S.S.R.
1992 - Former Panamanian ruler Manuel Noriega was convicted in Miami, FL, of eight drug and racketeering charges.
1998 - More than 150 Muslims died in stampede in Mecca, Saudi Arabia, on last day of the Haj pilgrimage.