May 22 - Apollo program: Apollo 10's lunar module flies within 15,400 m of the moon's surface
May 26 - Apollo program: Apollo 10 returns to earth after a successful eight-day test of all the components needed for the upcoming first manned moon landing
July 14 - Football War - after Honduras lost a soccer game against El Salvador, rioting broke out in Honduras against Salvadoran migrant workers. Of the 300,000 Salvadorean workers in Honduras, tens of thousands were expelled, prompting a brief Salvadoran invasion of Honduras. The OAS worked out a cease-fire on July 18, taking effect on July 20
August 4 - Vietnam War: At the apartment of French intermediary Jean Sainteny in Paris, US representative Henry Kissinger and North Vietnamese representative Xuan Thuy begin secret peace negotiations. The negotiations will eventually fail
August 12 - Jack Lynch, Taoiseach of the Republic of Ireland, makes a speech to the nation in which he asks the British Government to deploy a UN Peace-Keeping mission in Northern Ireland.
November 3 - Vietnam War: US President Richard M. Nixon addresses his nation on television and radio asking the "silent majority" to join him in solidarity on the Vietnam War effort and to support his policies
November 21 - U.S. President Nixon and Japanese Premier Eisaku Sato agree in Washington on the return of Okinawa to Japanese control in 1972 Under the terms of the agreement, the US is to retain its rights to bases on the island, but these are to be nuclear-free
November 21 - The first ARPANET link is established
War of Attrition, between Egypt and Israel, which lasted until August 1970. This conflict was characterized by escalating artillery duels, air raids and commando missions
August 15 - August 17: The Woodstock Music and Art Festival was held at Max Yasgur's dairy farm in Bethel, New York, near Woodstock. Although 10,000 or 20,000 people were expected, over 400,000 attended. Among the many artists who performed were Jimi Hendrix, Joan Baez, Joe Cocker, The Who, Crosby, Stills, Nash & Young and the Grateful Dead. The weekend was rainy, the facilities were overcrowded, and attendees shared food, alcohol, and drugs, although no violence was reported. The Woodstock Festival represented the culmination of the counterculture of the 1960s and the high point of the "hippie era."
The #1 Song was "Aquarius (Let the Sunshine In)"
Graffiti art had fully developed into an art form, with distinctive styles, trends and schools, by 1969; graffiti art is one of the four elements of hip hop, the musical form of which is influenced by the success of the Last Poets and similar artists, beginning in 1969
January 19 - Czech student Jan Palach sets himself on fire in Wenceslas Square, Prague in protest at the communist regime and the USSR's occupation of the country.