Monday, June 25, 1691

Russian invasion of Ukraine: Russian forces captured the city of Sievierodonetsk, Ukraine, after six weeks of fighting.

In response to a Freedom of Information Act request, the CIA acknowledged the existence of Area 51 (diagram pictured), a secretive U.S. Air Force facility in Nevada and a subject of various UFO, and other, conspiracy theories.

Singer Michael Jackson died as a result of the combination of drugs in his body.

The rainbow flag (original version pictured) representing gay pride was first flown at the San Francisco Gay Freedom Day parade.

More than an estimated 400 million people viewed Our World, the first live international satellite television production.

Two cryptographers working for the U.S. National Security Agency left on vacation to Mexico, and proceeded to defect to the Soviet Union.

The Korean War began with North Korean forces launching a pre-dawn raid over the 38th parallel into South Korea.

The United Nations Security Council passed Resolution 82 condemning the North Korean invasion of South Korea.

World War II: U.S. Navy and Royal Navy ships bombarded Cherbourg, France, to support U.S. Army units engaged in the Battle of Cherbourg.

Second World War: Operation Aerial, an evacuation of nearly 200,000 Allied soldiers from French ports, was completed.

French police arrested Los Errantes, while they were preparing to assassinate Spanish king Alfonso XIII, as part of a mass raid against Spanish immigrants in Paris.

The United States Congress passed the Mann Act, which prohibited the interstate transport of females for "immoral purposes".