31 December 2019 – The World Health Organization is informed of cases of pneumonia with an unknown cause, detected in Wuhan. This later turned out…

Vietnam War: Operation Linebacker II ends.

Leaders of the Khmer Rouge apologize for the Cambodian genocide that claimed over one million lives

The Marathas defeat the Adilshahi forces in the Battle of Kolhapur.

Winter War: Finland holds off a Soviet attack in the Battle of Kelja.

Marie and Pierre Curie announce the isolation of radium

Pardons for ex-Confederates: United States President Andrew Johnson grants an unconditional pardon to all Confederate veterans.

First flight of Britain’s Handley Page Victor strategic bomber.

The Immaculate Reception is caught by Franco Harris to win the Pittsburgh Steelers their first ever playoff victory, after defeating the Oakland Raiders.

U.S. President Gerald Ford creates the Strategic Petroleum Reserve in response to the 1970s energy crisis.