April 13th

Kwangmyŏngsŏng-3, a North Korean Earth observation satellite, exploded shortly after its launch. The U.S. and other countries called the launch a violation of United Nations Security Council rules.
A federal jury in San Francisco convicted Barry Bonds of obstruction of justice, but failed to reach a verdict on allegations that he'd used steroids and lied to a grand jury about it.
Barry Bonds perjury case
Jack Kervorkian was sentenced in Pontiac, Mich., to 10 to 25 years in prison for the second-degree murder of a man whose assisted suicide was videotaped and shown on "60 Minutes.".
Jack Kevorkian
Tiger Woods becomes the youngest ever golfer to win the Masters Tournament. The then 21-year old sportsman was also the first person of African heritage to win a major golf title. Tiger Woods is considered one of the most successful golfers of all time.
Tiger Woods
Pope John Paul II visited a Rome synagogue in the first recorded papal visit of its kind.
Great Synagogue of Rome
Civil War began in Lebanon when gunmen killed 4 Christian Phalangists who retaliated by killing 27 Palestinians.
Bus massacre
Mikis Theodorakis is freed. The Greek composer and politician was interned in the concentration camp of Oropos by the right-wing military junta. The solidarity movement demanding his release included Dmitri Shostakovich, Leonard Bernstein, and Harry Belafonte.
Mikis Theodorakis
Sidney Poitier became the first black performer in a leading role to win an Academy Award, for "Lilies of the Field.".
Sidney Poitier
The world's first satellite navigation system is launched. Transit 1B was primarily used by the U.S. Navy to update the navigation systems aboard their Polaris submarines.
Transit (satellite)
Baseball Hall of Famer Hank Aaron made his major league debut with the Milwaukee Braves.
Hank Aaron
British troops massacre around 400 unarmed civilians in India. Brigadier-General Reginald Dyer ordered his men to shoot into the crowd, in his own words “to punish the Indians for disobedience.” The Indian independence movement grew considerably after the Amritsar massacre.
List of events named massacres
Abyssinian War ends as British and Indian troops capture Magdala and Ethiopian Emperor commits suicide.
British Expedition to Abyssinia
At the start of the Civil War, Fort Sumter in South Carolina fell to Confederate forces as the Union commander, Maj. Robert Anderson, agreed to surrender in the face of relentless bombardment.
Battle of Fort Sumter
1st Pony Express reaches Sacramento, California.
Pony Express
George Frideric Handel's oratorio "Messiah" performed for the 1st time at New Music Hall in Dublin.
Messiah (Handel)
King Henry IV of France signed the Edict of Nantes, granting rights to the Protestant Huguenots.
Edict of Nantes
The Seventh Crusade is defeated in Egypt, Louis IX of France is captured.
Seventh Crusade