Nintendo releases the Game Boy portable video game system in North America.
In Lebanon, Hezbollah announces that it has hanged United States Marines U.S. Marine Lt. Col. William R. Higgins in retaliation for Israel's July 28 kidnapping of Hezbollah leader Abdel Karim Obeid. The same day, the United Nations Security Council passed United Nations Security Council Resolution 638 condemning the taking of hostages by both sides in the conflict.
August 12 – The 1984 Summer Olympics are held in Los Angeles, California.
Thursday, July 28, 1983
New South Wales premier Neville Wran is exonerated by the Street Royal Commission, over claims raised by the ABC (Australian Broadcasting Corporation) programme "Four Corners", that he attempted to influence the NSW magistracy.
The U.S. announces that a Lockheed U-2 reconnaissance plane has disappeared over Cuba.
Wednesday, July 28, 1965
Vietnam War: U.S. President Lyndon B. Johnson announces his order to increase the number of United States troops in South Vietnam from 75,000 to 125,000, and to more than double the number of men drafted per month - from 17,000 to 35,000.