1968 events in history

Jan 5 Alexander Dubček comes to power: "Prague Spring" begins in Czechoslovakia
Jan 7 Surveyor Program: Surveyor 7, the last spacecraft in the Surveyor series, lifts off from launch complex 36A, Cape Canaveral
Jan 13 Johnny Cash performs live at Folsom State Prison
Jan 21 A B-52 bomber crashes near Thule Air Base, contaminating the area after its nuclear payload ruptures. One of the four bombs remains unaccounted for after the cleanup operation is complete
Jan 21 Vietnam War: Battle of Khe Sanh – One of the most publicized and controversial battles of the war begins
Jan 22 Apollo 5 lifts off carrying the first Lunar module into space
Jan 22 Operation Igloo White, a US electronic surveillance system to stop communist infiltration into South Vietnam begins installation
Jan 23 North Korea seizes the USS Pueblo, claiming the ship had violated its territorial waters while spying
Jan 24 Vietnam War: The 1st Australian Task Force launches Operation Coburg against the North Vietnamese Army and Viet Cong during wider fighting around Long Bình and Biên Hòa
Jan 30 Vietnam War: Tet Offensive launch by forces of the Viet Cong and North Vietnamese Army against South Vietnam, the United States, and their allies
Jan 31 Nauru gains independence from Australia
Jan 31 Viet Cong attack the United States embassy in Saigon, and other attacks, in the early morning hours, later grouped together as the Tet Offensive
Feb 1 Vietnam War: The execution of Viet Cong officer Nguyen Van Lem by South Vietnamese National Police Chief Nguyen Ngoc Loan is videotaped and photographed by Eddie Adams. This image helped build opposition to the Vietnam War
Feb 1 The New York Central Railroad and the Pennsylvania Railroad are merged to form Penn Central Transportation
Feb 1 Canada's three military services, the Royal Canadian Navy, the Canadian Army and the Royal Canadian Air Force, are unified into the Canadian Forces
Feb 8 American civil rights movement: The Orangeburg massacre: An attack on black students from South Carolina State University who are protesting racial segregation at the town's only bowling alley, leaves three or four dead in Orangeburg, South Carolina
Feb 11 The Memphis Sanitation Strike begins
Feb 11 Israeli–Jordanian border clashes rage
Feb 12 Phong Nhị and Phong Nhất massacre
Feb 16 In Haleyville, Alabama, the first 9-1-1 emergency telephone system goes into service
Feb 17 In Springfield, Massachusetts, the Naismith Memorial Basketball Hall of Fame opens
Feb 24 Vietnam War: The Tet Offensive is halted; South Vietnam recaptures Hué
Feb 25 Vietnam War: 135 unarmed citizens of Hà My village in South Vietnam's Quảng Nam Province are killed and buried en masse by South Korean troops in what would come to be known as the Hà My massacre
Mar 6 Three black males are executed by Rhodesia, the first executions since UDI, prompting international condemnation
Mar 6 The first of the East L.A. walkouts take place at several high schools
Mar 7 Vietnam War: The United States and South Vietnamese military begin Operation Truong Cong Dinh to root out Viet Cong forces from the area surrounding Mỹ Tho
Mar 10 Vietnam War: Battle of Lima Site 85, concluding the 11th with largest single ground combat loss of United States Air Force members (12) during that war
Mar 12 Mauritius achieves independence from the United Kingdom
Mar 16 Vietnam War: In the My Lai massacre, between 347 and 500 Vietnamese villagers (men, women, and children) are killed by American troops
Mar 16 General Motors produces its 100 millionth automobile, the Oldsmobile Toronado
Mar 17 As a result of nerve gas testing in Skull Valley, Utah, over 6,000 sheep are found dead
Mar 18 Gold standard: The U.S. Congress repeals the requirement for a gold reserve to back US currency
Mar 21 Battle of Karameh in Jordan between Israeli Defense Forces and Fatah
Mar 28 Brazilian high school student Edson Luís de Lima Souto is shot by the police in a protest for cheaper meals at a restaurant for low-income students. The aftermath of his death is one of the first major events against the military dictatorship
Apr 3 Martin Luther King, Jr. delivers his "I've Been to the Mountaintop" speech
Apr 4 AEK Athens BC becomes the first Greek team to win the European Basketball Cup
Apr 4 Apollo program: NASA launches Apollo 6
Apr 4 Martin Luther King, Jr. is assassinated by James Earl Ray at a motel in Memphis, Tennessee
Apr 6 Pierre Elliot Trudeau wins the Liberal Leadership Election, and becomes Prime Minister of Canada soon after
Apr 6 In Richmond, Indiana's downtown district, a double explosion kills 41 and injures 150
Apr 8 BOAC Flight 712 catches fire shortly after take off. As a result of her actions in the accident, Barbara Jane Harrison is awarded a posthumous George Cross, the only GC awarded to a woman in peacetime
Apr 10 New Zealand inter-island ferry TEV Wahine founders and sinks at the mouth of Wellington Harbour
Apr 11 President Lyndon B. Johnson signs the Civil Rights Act of 1968, prohibiting discrimination in the sale, rental, and financing of housing
Apr 20 English politician Enoch Powell makes his controversial Rivers of Blood speech
Apr 23 Vietnam War: Student protesters at Columbia University in New York City take over administration buildings and shut down the university
Apr 24 Mauritius becomes a member state of the United Nations
Apr 29 The controversial musical Hair, a product of the hippie counter-culture and sexual revolution of the 1960s, opens at the Biltmore Theatre on Broadway, with its song becoming anthems of the anti-Vietnam War movement
May 11 The Toronto Transit Commission opens the largest expansion of its Bloor–Danforth line, going to Scarborough in the East, and Etobicoke in the West
May 12 Vietnam War: North Vietnamese and Viet Cong forces attack Australian troops defending Fire Support Base Coral, east of Lai Khe in South Vietnam on the night of 12/13 May, resulting in heavy casualties on both sides and beginning the Battle of Coral–Balmoral
May 20 Operation OAU begins during the Nigerian Civil War