Historical timeline for June 15

A bomb explodes on a bus in the Pakistani city of Quetta, killing at least 25 people and wounding 22 others.

The Troubles: The Provisional Irish Republican Army (IRA) detonates a powerful truck bomb in the middle of Manchester, England, devastating the city centre and injuring 200 people.

The United States Supreme Court rules in United States v. Álvarez-Machaín that it is permissible for the United States to forcibly extradite suspects in foreign countries and bring them to the United States for trial, without approval from those other countries.

In the Philippines, Mount Pinatubo erupts in the second largest volcanic eruption of the 20th century, killing over 800 people.

The Ariane 4 rocket is launched on its maiden flight.

After the death of dictator Francisco Franco in 1975, the first democratic elections take place in Spain.

Cathay Pacific Flight 700Z is destroyed by a bomb over Pleiku, Vietnam (then South Vietnam) and kills 81 people.

World War II: The United States invades Saipan, capital of Japan's South Seas Mandate.

In the Saskatchewan general election, the CCF, led by Tommy Douglas, is elected and forms the first socialist government in North America.

World War II: Operation Aerial begins: Allied troops start to evacuate France, following Germany's takeover of Paris and most of the nation.

Following the 1920 Schleswig plebiscites, Northern Schleswig is transferred from Germany to Denmark.

John Alcock and Arthur Brown complete the first nonstop transatlantic flight when they reach Clifden, County Galway, Ireland.

A fire aboard the steamboat SS General Slocum in New York City's East River kills 1,000.

One of the deadliest tsunamis in Japan's history kills more than 22,000 people.

American Civil War: The Second Battle of Petersburg begins.

Ambiguity in the Oregon Treaty leads to the "Northwestern Boundary Dispute" between American and British/Canadian settlers.

The Oregon Treaty extends the border between the United States and British North America, established by the Treaty of 1818, westward to the Pacific Ocean.

The looting of Safed commences.

In the Auspicious Incident, the Janissary mutiny against Sultan Mahmud II is defeated and the Janissary corps is disbanded as a result.

New Hampshire approves the Twelfth Amendment to the United States Constitution, ratifying the document.