1821-Greek War of Independence against the Ottoman Empire begins
1842-First known sewing machine patented in U.S. by John Greenough of Washington, D.C.
1961-Gabon adopts constitution
1965-Civil rights activist and Muslim minister Malcolm X is shot dead by Nation of Islam followers at Audubon Ballroom in New York City
1972-Richard Nixon becomes the first US President to visit China, normalizing relations between the countries in a meeting with Chinese leader Mao Zedong in Beijing
2021-WHO pleads with Tanzania to start reporting COVID-19 cases amid fears of a hidden epidemic in the country