On April 9, 1413, the coronation of England’s King Henry V took place in Westminster Abbey.
In 1865, Confederate Gen. Robert E. Lee surrendered his army to Union Lt. Gen. Ulysses S. Grant at Appomattox Court House in Virginia.
In 1939, Marian Anderson performed a concert at the Lincoln Memorial in Washington, D.C., after the Black singer was denied the use of Constitution Hall by the Daughters of the American Revolution.
In 1940, during World War II, Germany invaded Denmark and Norway.
In 1942, during World War II, some 75,000 Philippine and American defenders on Bataan surrendered to Japanese troops, who forced the prisoners into what became known as the Bataan Death March; thousands died or were killed en route.
In 1959, NASA presented its first seven astronauts: Scott Carpenter, Gordon Cooper, John Glenn, Gus Grissom, Wally Schirra, Alan Shepard and Donald Slayton. Architect Frank Lloyd Wright, 91, died in Phoenix, Arizona.
In 1968, funeral services, private and public, were held for Martin Luther King Jr. at the Ebenezer Baptist Church and Morehouse College in Atlanta, five days after the civil rights leader was assassinated in Memphis, Tennessee.
In 1979, officials declared an end to the crisis involving the Three Mile Island Unit 2 nuclear reactor in Pennsylvania, 12 days after a partial core meltdown.
In 1996, in a dramatic shift of purse-string power, President Bill Clinton signed a line-item veto bill into law. (However, the U.S. Supreme Court struck down the veto in 1998.)
In 2003, jubilant Iraqis celebrated the collapse of Saddam Hussein’s regime, beheading a toppled statue of their longtime ruler in downtown Baghdad and embracing American troops as liberators.
In 2005, Britain’s Prince Charles married longtime love Camilla Parker Bowles, who took the title Duchess of Cornwall.
In 2010, Supreme Court Justice John Paul Stevens announced his retirement. (His vacancy was filled by Elena Kagan.)
In 2020, the government reported that 6.6 million people had sought unemployment benefits in the preceding week, bringing the total to 16.8 million in the three weeks since the coronavirus outbreak took hold. The Food and Drug Administration sent a warning letter to conspiracy theorist and radio host Alex Jones, telling him to stop pitching bogus remedies for the coronavirus.