Serbia declares independence from the State Union of Serbia and Montenegro.

A severe heat wave across Pakistan and India reaches its peak, as temperatures exceed 50°C (122°F) in the region.

Tropical Storm Allison makes landfall on the upper-Texas coastline as a strong tropical storm and dumps large amounts of rain over Houston. The storm caused $5.5 billion in damages, making Allison the costliest tropical storm in U.S. history.

A strike begins at the General Motors parts factory in Flint, Michigan, that quickly spreads to five other assembly plants (the strike lasted seven weeks).

The Bose-Einstein condensate is first created.

The Unknown Rebel halts the progress of a column of advancing tanks for over half an hour after the Tiananmen Square protests of 1989.

Prime Minister of India Indira Gandhi orders an attack on the Golden Temple, the holiest site of the Sikh religion.

The Morbidity and Mortality Weekly Report of the Centers for Disease Control and Prevention report that five people in Los Angeles, California have a rare form of pneumonia seen only in patients with weakened immune systems, in what turns out to be the first recognized cases of AIDS.

The Apple II, one of the first personal computers, goes on sale.

A coup takes place in Seychelles.

Collapse of the Teton Dam in Idaho, United States.

The United Kingdom holds its first and only country-wide referendum, on remaining in the European Economic Community (EEC).

The Suez Canal opens for the first time since the Six-Day War.

The International communist conference begins in Moscow.

U.S. presidential candidate Robert F. Kennedy is shot at the Ambassador Hotel in Los Angeles, California by Palestinian Sirhan Sirhan. Kennedy dies the next day.

Six-Day War begins: The Israeli air force launches simultaneous pre-emptive attacks on the air forces of Egypt, Jordan, and Syria.

DSV Alvin is commissioned.

Movement of 15 Khordad: Protest against arrest of Ayatollah Ruhollah Khomeini by Shah of Iran, Mohammad Reza Pahlavi. In several cities, masses of angry demonstrators are confronted by tanks and paratroopers.

British Secretary of State for War John Profumo resigns in a sex scandal known as the Profumo Affair.

The first government of the State of Singapore is sworn in.

Elvis Presley introduces his new single, "Hound Dog", on ''The Milton Berle Show'', scandalizing the audience with his suggestive hip movements.

Marshall Plan: In a speech at Harvard University, United States Secretary of State George Marshall calls for economic aid to war-torn Europe.

A fire in the LaSalle Hotel in Chicago, Illinois kills 61 people.

The Allied Control Council, the military occupation governing body of Germany, formally takes power.

World War II: More than 1000 British bombers drop 5,000 tons of bombs on German gun batteries on the Normandy coast in preparation for D-Day.

World War II: United States declares war on Bulgaria, Hungary, and Romania.

Four thousand Chongqing residents are asphyxiated in a bomb shelter during the Bombing of Chongqing.

The U.S. Congress abrogates the United States' use of the gold standard by enacting a joint resolution (48 Stat. 112) nullifying the right of creditors to demand payment in gold.

World War I: Conscription begins in the United States as "Army registration day".

Louis Brandeis is sworn in as a Justice of the United States Supreme Court.

Denmark amends its constitution to allow women's suffrage.

Second Boer War: British soldiers take Pretoria.

The Rio de la Plata Earthquake takes place.

American Civil War: Battle of Piedmont: Union forces under General David Hunter defeat a Confederate army at Piedmont, Virginia, taking nearly 1,000 prisoners.

As the Treaty of Saigon was signed, ceding parts of southern Vietnam to France, the guerrilla leader Truong Dinh decides to defy Emperor Tu Duc of Vietnam and fight on against the Europeans.

Harriet Beecher Stowe's anti-slavery serial, ''Uncle Tom's Cabin'' or, ''Life Among the Lowly'' starts a ten-month run in the ''National Era'' abolitionist newspaper.

Denmark becomes a constitutional monarchy by the signing of a new constitution.

Houston, Texas is incorporated by the Republic of Texas.

The June Rebellion breaks out in Paris in an attempt to overthrow the monarchy of Louis-Philippe.

{{HMS|Pickle}} captures the armed slave ship ''Voladora'' off the coast of Cuba.

The first Great Lakes steamer, the ''Frontenac'', is launched.

The Battle of New Ross: The attempt to spread United Irish Rebellion into Munster is defeated.

Kraków, Poland receives city rights.

Titus and his Roman legions breach the middle wall of Jerusalem in the Siege of Jerusalem.