April 16th

The trial against Anders Behring Breivik begins in Oslo. The right-wing extremist had killed 77 people, mostly teenagers, in Oslo with a car bomb and at a youth camp on Utøya island. After doubts about his mental health emerged before the trial, he was sentenced to 21 years in prison.
Trial of Anders Behring Breivik
A male student, Cho Seung-Hui, killed two in a Virginia Tech dorm, then killed 30 more 2 hours later in a classroom building. His suicide brought the death toll to 33, making the shooting rampage the most deadly in U.S. history. Fifteen others were wounded.
Virginia Tech shooting
Ten new member states are admitted to the European Union. The Treaty of Accession admitted countries like Poland, Cyprus, and the Czech Republic to the EU. Its original title contains 99 words.
2004 enlargement of the European Union
Hockey great Wayne Gretzky announced his retirement.
Wayne Gretzky
Britain's Prince Andrew and his wife, Sarah, the Duchess of York, announced they were getting a divorce.
Sarah, Duchess of York
The House ethics committee listed 303 current and former lawmakers who had overdrawn their House bank accounts.
List of federal political scandals in the United States
China sent President Nixon two giant pandas as a gift.
Ling-Ling and Hsing-Hsing
The Rolling Stones release their debut album. The album The Rolling Stones, released in the United States with the added title “England's Newest Hit Makers”, topped the UK charts for twelve weeks.
The Rolling Stones (album)
Bob Dylan debuted his song "Blowin' in the Wind" at Gerde's Folk City in New York.
Gerde's Folk City
Organization for European Economic Cooperation (EEC) forms in Paris.
Financier and presidential confidant Bernard M. Baruch said in a speech at the South Carolina statehouse, 'Let us not be deceived. We are today in the midst of a cold war.'.
Vladimir Lenin returns to Russia from exile. The communist revolutionary became leader of the Russian Soviet Federative Socialist Republic (SFSR) later that year. From 1922, he was the first Premier of the Soviet Union.
Vladimir Lenin
Harriet Quimby flies across the English Channel. The U.S. aviator was the first woman who achieved this feat. She died at the age of 37 when her plane crashed in Massachusetts.
Harriet Quimby
US Post Office issues 1st books of postage stamps.
Postage stamps and postal history of the United States
President-elect George Washington left Mount Vernon, Va., for his inauguration in New York.
First inauguration of George Washington
Jacobite Rising 1745: Battle of Culloden, the last battle on British soil: Royalist troops under the Duke of Cumberland defeat the Jacobite army.
Portal:Scotland/Selected article/2013
Queen Anne of England knights Isaac Newton at Trinity College, Cambridge.
Isaac Newton