1st » The Hawker Siddeley Harrier enters service with the Royal Air Force.
3rd » Vietnam War: United States Secretary of Defense Melvin Laird announces that the United States will start to "Vietnamization known as Vietnamize" the war effort.
4th » Dr. Denton Cooley implants the first temporary artificial heart.
5th » Vietnam War: Massive Opposition to the Vietnam War known as antiwar demonstrations occur in many U.S. cities.
9th » The "Chicago Eight" plead not guilty to federal charges of conspiracy to incite a riot at the 1968 Democratic National Convention in Chicago.
9th » The first British-built Concorde 002 makes its maiden flight from Filton to RAF Fairford.
14th » At the U.S. Academy Awards there is a tie for the Academy Award for Best Actress between Katharine Hepburn and Barbra Streisand.
15th » The EC-121 shootdown incident: North Korea shoots down a United States Navy aircraft over the Sea of Japan, killing all 31 on board.
17th » Sirhan Sirhan is convicted of assassinating Robert F. Kennedy.
17th » Czechoslovakian Communist Party chairman Alexander Dubček is deposed.
22nd » British yachtsman Sir Robin Knox-Johnston wins the Sunday Times Golden Globe Race called 'Sunday Times' Golden Globe Race and completes the first solo non-stop circumnavigation of the world.
28th » Charles de Gaulle resigns as President of France.