HistoryCentral Presents History Run
An interactive journey through American history — from the creators of HistoryCentral’s trusted history apps.
Explore History Run & Our Other Apps

HistoryCentral · Primary Source & History

AIDS Breaks Out

(4/21/84) French scientists reported isolating the virus that caused Acquired Immune Deficiency Syndrome (AIDS). In 1984, 7,000 cases of AIDS had been reported in the United States; 3,300 of its victims were dead by the end of the year.