NASA publicly detailed its schedule for crewed lunar landing missions as Apollo program planning accelerated, weeks before tragedy struck the program.

Muhammad Ali's team pressed forward with legal appeals against his military induction, a standoff that would soon cost him his heavyweight title.

A flash fire sweeps through the Apollo 1 command module during a launch rehearsal, killing astronauts Gus Grissom, Ed White, and Roger Chaffee.

The US, USSR, and UK signed the Outer Space Treaty, banning nuclear weapons in orbit and declaring space the province of all mankind.

A flash fire swept through the Apollo 1 command module during a launch rehearsal, killing astronauts Grissom, White, and Chaffee in seconds.

Days after the Apollo 1 fire killed three astronauts, NASA officials faced early scrutiny as investigators began probing the spacecraft's fatal design flaws.

Pro-Communist demonstrations and clashes with British colonial police intensified in Hong Kong, part of the wider unrest spilling over from China's Cultural Revolution.

Weeks after the Apollo 1 fire killed three astronauts, NASA officials and congressional investigators intensified scrutiny into spacecraft safety failures, reshaping the Apollo program's engineering culture.

Kathrine Switzer became the first woman to run the Boston Marathon with a numbered entry, fending off a race official who tried to physically remove her.

Kathrine Switzer became the first woman to run the Boston Marathon with a numbered bib, dodging a race official who tried to physically remove her.

Israeli warplanes struck Egyptian airfields in a surprise pre-emptive assault, opening the Six-Day War that would redraw the map of the Middle East.

Egypt scuttled ships to block the Suez Canal on the first day of the Six-Day War, closing the vital waterway for the next eight years.

The US Supreme Court unanimously ruled anti-miscegenation laws unconstitutional in Loving v. Virginia, striking down bans on interracial marriage nationwide.

The Beatles performed 'All You Need Is Love' live for 'Our World,' the first-ever live global television link, watched by roughly 400 million people.

Five foreign ministers signed the Bangkok Declaration in Thailand, founding the Association of Southeast Asian Nations to promote regional stability and economic cooperation.

Bolivian soldiers executed Che Guevara in the village of La Higuera after CIA-assisted forces captured him the previous day.

Bolivian authorities and international media confirmed and widely circulated news of revolutionary Che Guevara's execution, cementing his transformation into a global martyr symbol.

Fidel Castro led a mass memorial in Havana's Plaza de la Revolución for Che Guevara, executed in Bolivia days earlier, cementing his revolutionary legend.

The Soviet probe Venera 4 became the first spacecraft to transmit data directly from the atmosphere of another planet, descending into Venus's crushing clouds.

Egyptian missile boats sank the Israeli destroyer INS Eilat off Sinai using Soviet-made Styx missiles, the first successful sinking of a warship by anti-ship missiles.

British forces begin their final evacuation from Aden after 128 years of colonial rule, ending amid an insurgency that made the port one of the era's bloodiest anti-colonial fights.

NASA launched Apollo 4, the first uncrewed test flight of the massive Saturn V rocket, proving the vehicle that would ultimately carry astronauts to the Moon.

Surgeon Christiaan Barnard performed the world's first human-to-human heart transplant in Cape Town, giving Louis Washkansky a new lease on life.