Jean-Bédel Bokassa seized power in the Central African Republic in a New Year's Eve-into-New Year's coup, beginning one of Africa's most infamous dictatorships.

Sergei Korolev, the secretive chief designer behind Sputnik and Gagarin's flight, died in Moscow following routine surgery, dealing a crushing blow to the Soviet space program.

The Soviet probe Venera 3 crashed into Venus, becoming the first human-made object to reach the surface of another planet, though it failed to transmit data.

NASA launched Gemini 9A with astronauts Thomas Stafford and Eugene Cernan, testing rendezvous and spacewalk techniques crucial for the coming Apollo Moon missions.

Astronauts Tom Stafford and Gene Cernan completed Gemini 9A, a three-day mission plagued by a failed docking attempt with an Agena target vehicle stuck in a 'mad, tumbling wreck.'

NASA's Surveyor 1 became the first American spacecraft to soft-land on the Moon, transmitting over 11,000 photographs back to Earth.

NASA launched Surveyor 1 from Cape Kennedy, the first US mission designed to achieve a soft landing on the lunar surface.

NASA's Surveyor 1 touched down softly on the Moon's Ocean of Storms, becoming the first American spacecraft to achieve a soft lunar landing.

NASA launched Gemini 9A carrying Tom Stafford and Eugene Cernan, days after their original target vehicle had failed to reach orbit properly.

NASA's Lunar Orbiter 1 launched from Cape Canaveral, becoming the first American spacecraft to orbit the Moon and photograph potential Apollo landing sites.

Mao Zedong appeared before roughly a million Red Guards massed in Tiananmen Square, one of several mass rallies that helped ignite the Cultural Revolution's fury.

NBC aired the first episode of Star Trek, launching a franchise that would reshape science fiction and popular culture for generations.

Gemini 11 launched with Pete Conrad and Richard Gordon aboard, achieving a record altitude and a first tethered spacewalk maneuver.

Hendrik Verwoerd, architect of apartheid as South Africa's prime minister, was stabbed to death in parliament by Dimitri Tsafendas, a parliamentary messenger.

NBC aired the first episode of Star Trek, 'The Man Trap,' launching a science-fiction franchise that would influence culture, technology, and space exploration for generations.

NBC aired the first episode of Star Trek, launching a franchise that reshaped science fiction and popular culture for generations.

The Bechuanaland Protectorate becomes the independent Republic of Botswana, with Seretse Khama as its first president.

The mountain kingdom of Lesotho, formerly the British protectorate of Basutoland, achieved full independence with Moshoeshoe II as king.

A powerful earthquake devastated Tashkent, capital of Soviet Uzbekistan, destroying much of the old city but killing relatively few thanks to early morning timing.

The mountain kingdom of Lesotho became fully independent from Britain, emerging as a sovereign constitutional monarchy entirely surrounded by South Africa.

The Soviet Luna 12 probe entered lunar orbit and began photographing the Moon's surface in unprecedented detail, feeding Cold War competition to map landing sites.

Indira Gandhi's Congress government pushed forward major state reorganization efforts in India amid growing political turbulence during her first year as prime minister.

Gemini 12 splashed down safely in the Atlantic, closing out NASA's Gemini program and proving spacewalking techniques essential for the coming Apollo missions.

Barbados becomes a fully independent nation within the Commonwealth, ending over three centuries of British colonial rule in the Caribbean island.

Maulana Karenga and followers held the earliest Kwanzaa gatherings in Los Angeles, launching a week-long African American cultural holiday rooted in seven communal principles.

Activist and scholar Maulana Karenga held the first Kwanzaa celebration, a week-long African American cultural holiday rooted in harvest traditions.

Joseph-Désiré Mobutu's regime nationalized major Belgian-owned mining interests in Congo, tightening state control over the copper-rich economy.