1111 – Henry V was crowned Holy Roman Emperor.

1613 – Samuel Argall, having captured Pocahontas in Passapatanzy, Virginia, set off with her to Jamestown with the intention of exchanging her for English prisoners held by her father.

1742 – George Frideric Handel’s oratorio Messiah made its world premiere in Dublin, Ireland.

1777 – American Revolutionary War: American forces were ambushed and defeated in the Battle of Bound Brook, New Jersey.

1861 – American Civil War: Fort Sumter surrendered to Confederate forces.

1865 – American Civil War: Raleigh, North Carolina was occupied by Union Forces.

1870 – The New York City Metropolitan Museum of Art was founded.

1873 – The Colfax massacre, in which more than 60 black men were murdered, took place.

1943 – World War II: The discovery of mass graves of Polish prisoners of war killed by Soviet forces in the Katyń Forest Massacre was announced, which caused a diplomatic rift between the Polish government-in-exile in London and the Soviet Union, which denied responsibility.

1943 – The Jefferson Memorial was dedicated in Washington, D.C., on the 200th anniversary of President Thomas Jefferson’s birth.

1953 – CIA director Allen Dulles launched the mind-control program Project MKUltra.

1957 – Saturday postal delivery in US was temporarily halted due to lack of funds.

1958 – American pianist Van Cliburn was awarded first prize at the inaugural International Tchaikovsky Competition in Moscow.

1960 – The United States launched Transit 1-B, the world’s first satellite navigation system.

1964 – At the Academy Awards, Sidney Poitier became the first African-American male to win the Best Actor award for the 1963 film Lilies of the Field.

1965 – The Beatles recorded their single “Help”.

1970 – An oxygen tank aboard the Apollo 13 Service Module exploded, which put the crew in great danger and caused major damage to the Apollo command and service module (codenamed “Odyssey”) while en route to the Moon.

1976 – The United States Treasury Department reintroduced the two-dollar bill as a Federal Reserve Note on Thomas Jefferson’s 233rd birthday as part of the United States Bicentennial celebration.

1997 – Tiger Woods became the youngest golfer to win the Masters Tournament.

2017 – The US dropped the largest ever non-nuclear weapon on Nangarhar Province, Afghanistan.

2020 Italian tenor Andrea Bocelli sang a special Easter concert in the deserted Milan cathedral, accompanied by an organist.