Britain announced the state funeral plans for Winston Churchill, who had died the previous day, setting in motion the largest gathering of statesmen in history to that point.

The Gambia became an independent nation within the Commonwealth, ending centuries of British colonial rule over the small West African territory.

Unidentified attackers firebombed the Queens, New York home of Malcolm X and his family just days before his assassination.

Malcolm X was shot dead by three members of the Nation of Islam while addressing supporters at the Audubon Ballroom in Manhattan.

Malcolm X is laid to rest in New York, just days after his assassination at the Audubon Ballroom, as thousands mourn a revolutionary voice silenced.

The Democratic Republic of the Congo held contested elections amid deep political instability, just years after independence and the assassination of Patrice Lumumba.

Alabama state troopers attacked 600 peaceful voting-rights marchers with clubs and tear gas at the Edmund Pettus Bridge in Selma.

Civil rights marchers, protected by federalized National Guard troops, completed their 54-mile march from Selma to Montgomery, Alabama.

About 8,000 civil rights marchers, led by Martin Luther King Jr., set out from Selma, Alabama on a 54-mile march to Montgomery to demand voting rights.

Dr. Martin Luther King Jr. led 25,000 marchers into Montgomery, Alabama, completing the Selma to Montgomery march for voting rights.

Intelsat I, nicknamed 'Early Bird,' launches into orbit as the world's first commercial communications satellite, linking Europe and North America instantly.

Engineers at Texas Instruments continue integrated circuit refinements that trace back to Jack Kilby's foundational patent work, advancing the microchip revolution.

The International Council of Nurses formally recognizes May 12, Florence Nightingale's birthday, as the date for celebrating nurses worldwide.

A Titan II missile silo fire at an Air Force base near Searcy, Arkansas, killed 53 civilian workers, one of the deadliest industrial accidents in U.S. Cold War missile history.

Astronaut Ed White became the first American to walk in space, floating outside Gemini 4 for 23 minutes tethered by a lifeline.

IBM began key early planning steps that would culminate in the System/360, the mainframe family that standardized business computing worldwide.

NASA scientists finished receiving the first close-up photographs of another planet, Mars, transmitted by Mariner 4 after its historic flyby.

Mariner 4 sent back humanity's first close-up images of Mars, showing a cratered, moon-like desert that ended dreams of canals and civilization.

NASA's Mariner 4 spacecraft flew past Mars, transmitting the first close-up photographs ever taken of another planet's surface.

Astronauts Gordon Cooper and Charles Conrad returned to Earth after eight days in orbit, then the longest human spaceflight ever completed.

President Lyndon B. Johnson signed Medicare and Medicaid into law in Independence, Missouri, with former President Harry Truman at his side.

NASA's Gemini 5, having spent nearly eight days testing rendezvous and life-support systems in orbit, splashed down safely in the Atlantic Ocean.

Ghanaian leader Kwame Nkrumah's push for African unity reached a milestone moment in his tenure, as pan-African organizing intensified through the mid-1960s.

Singapore was expelled from the Federation of Malaysia, becoming an independent republic after just two years of union, over deep racial and political rifts.

Singapore separated from the Federation of Malaysia and became a fully independent republic, a split neither side had originally sought.

President Lyndon B. Johnson signed the Voting Rights Act of 1965 into law, outlawing discriminatory voting practices that had disenfranchised Black Americans across the South.

A traffic stop in the Watts neighborhood of Los Angeles ignited six days of rioting that left 34 people dead and exposed the raw anger simmering beneath urban Black poverty.

The Beatles performed before 55,600 screaming fans at Shea Stadium in New York, the largest concert audience assembled for a single act up to that time.

India and Pakistan agreed to a UN-mandated ceasefire, ending seventeen days of full-scale war fought largely over Kashmir.

Pope Paul VI became the first pope to visit the Western Hemisphere and to address the United Nations General Assembly, pleading for peace.

A protective relay failure in Ontario cascaded within minutes into a massive power failure, plunging 30 million people across the northeastern US and Canada into darkness.

The Soviet Union launches Venera 3, which would become the first human-made object to reach the surface of another planet.

NASA launched Gemini 7 with astronauts Frank Borman and Jim Lovell for a grueling 14-day mission testing long-duration spaceflight and orbital rendezvous.