June 30

A Tajik citizen with ISIS connections, wanted in Tajikistan for murder and kidnapping, kills two people at Chișinău International Airport in Moldova, after being denied entry to the country.

The Tiger Fire ignites near Black Canyon City, Arizona, and goes on to burn 16,278 acres (6,587 ha) of land before being fully contained on July 30.

The Hong Kong National Security Law is passed by the Standing Committee of the National People's Congress and immediately comes into effect after gazettal.

Donald Trump becomes the first sitting US President to visit the Democratic People's Republic of Korea (North Korea).

A Hercules C-130 military aircraft with 113 people on board crashes in a residential area in Medan, Indonesia, resulting in at least 116 deaths.

Nineteen firefighters die controlling a wildfire near Yarnell, Arizona.

Protests begin around Egypt against President Mohamed Morsi and the ruling Freedom and Justice Party, leading to their overthrow during the 2013 Egyptian coup d'état.

Yemenia Flight 626, an Airbus A310-300, crashes into the Indian Ocean near Comoros, killing 152 of the 153 people on board. A 14-year-old girl named Bahia Bakari survives the crash.

A Jeep Cherokee filled with propane canisters drives into the entrance of Glasgow Airport, Scotland in a failed terrorist attack. This was linked to the 2007 London car bombs that had taken place the day before.

An Airbus A330-300 crashes during a test flight at Toulouse–Blagnac Airport, killing all seven people on board.

Malta is officially subdivided into 68 local councils by the Local Councils Act.

East and West Germany merge their economies.

A coup d'état in Sudan deposes the democratically elected government of Prime Minister Sadiq al-Mahdi and President Ahmed al-Mirghani.

The U.S. Supreme Court rules in Bowers v. Hardwick that states can outlaw homosexual acts between consenting adults.

Thirty-nine American hostages from the hijacked TWA Flight 847 are freed in Beirut after being held for 17 days.

The Southeast Asia Treaty Organization disbands.

The Baltimore municipal strike of 1974 begins.

Concorde 001 intercepts the path of a total solar eclipse and follows the moon's shadow, experiencing the longest total eclipse observation.

The first leap second is added to the UTC time system.

The crew of the Soviet Soyuz 11 spacecraft are killed when their air supply escapes through a faulty valve.

Pope Paul VI issues the Credo of the People of God.

The National Organization for Women, the United States' largest feminist organization, is founded.

Ciaculli bombing: a car bomb, intended for Mafia boss Salvatore Greco, kills seven police officers and military personnel near Palermo.

Belgian Congo gains independence as Republic of the Congo (Léopoldville).

A United States Air Force F-100 Super Sabre from Kadena Air Base, Okinawa, crashes into a nearby elementary school, killing 11 students plus six residents from the local neighborhood.

A TWA Super Constellation and a United Airlines DC-7 collide above the Grand Canyon in Arizona and crash, killing all 128 on board both airliners.

The first Chevrolet Corvette rolls off the assembly line in Flint, Michigan.

World War II: The Battle of Cherbourg ends with the fall of the strategically valuable port to American forces.

The world's first emergency telephone number, 999, is introduced in London.

Emperor Haile Selassie of Abyssinia appeals for aid to the League of Nations against Italy's invasion of his country.

The Night of the Long Knives, Adolf Hitler's violent purge of his political rivals in Germany, takes place.

In Washington D.C., U.S. Secretary of State Charles Evans Hughes and Dominican Ambassador Francisco J. Peynado sign the Hughes–Peynado agreement, which ends the United States occupation of the Dominican Republic.

U.S. President Warren G. Harding appoints former President William Howard Taft as Chief Justice of the United States.

World War I: In "the day Sussex died", elements of the Royal Sussex Regiment take heavy casualties in the Battle of the Boar's Head at Richebourg-l'Avoué in France.

The Regina Cyclone, Canada's deadliest tornado event, kills 28 people in Regina, Saskatchewan.

The Tunguska Event, the largest impact event on Earth in human recorded history, resulting in a massive explosion over Eastern Siberia.

The United States Congress passes the Meat Inspection Act and Pure Food and Drug Act.

Albert Einstein sends the article On the Electrodynamics of Moving Bodies, in which he introduces special relativity, for publication in Annalen der Physik.

A savage fire wrecked three steamships docked at a pier in Hoboken, New Jersey. Over 200 crew members and passengers are killed, and hundreds injured.

The Homestead Strike begins near Pittsburgh, Pennsylvania.

The first transcontinental train trip across Canada departs from Montreal, Quebec. It arrives in Port Moody, British Columbia on July 4.

Charles J. Guiteau is hanged in Washington, D.C. for the assassination of U.S. President James Garfield.

U.S. President Abraham Lincoln grants Yosemite Valley to California for "public use, resort and recreation".

The 1860 Oxford evolution debate at the Oxford University Museum of Natural History takes place.

French acrobat Charles Blondin crosses Niagara Falls on a tightrope.

Under An act to divide the Indiana Territory into two separate governments, adopted by the U.S. Congress on January 11, 1805, the Michigan Territory is organized.

Northwest Indian War: Native American forces under Blue Jacket attack Fort Recovery.

Seven Years' War: Habsburg Austrian forces destroy a Prussian reinforcement and supply convoy in the Battle of Domstadtl, helping to expel Prussian King Frederick the Great from Moravia.

The Battle of Ekeren between a Dutch force and a French force.

The Immortal Seven issue the Invitation to William, which would culminate in the Glorious Revolution.

The Deluge: Khmelnytsky Uprising: The Battle of Berestechko ends with a Polish victory.

The University of Tartu is founded.

The Spanish-held Castillo San Felipe del Morro in San Juan, Puerto Rico having been besieged for fifteen days, surrenders to an English force under Sir George Clifford, Earl of Cumberland.

King Henry II of France is mortally wounded in a jousting match against Gabriel, comte de Montgomery.

Spanish forces defeat a combined French and Navarrese army at the Battle of Noáin during the Spanish conquest of Iberian Navarre.

Battle of Arbedo between the duke of Milan and the Swiss cantons.

Zhu Yunwen ascended the throne to the Ming dynasty to become the Jianwen Emperor.

The Byzantine army of emperor Constantine V defeats the Bulgarian forces in the Battle of Anchialus.

Pope Marcellinus begins his papacy.