On this day: June 21
1934 Prison Uprising at Federal Penitentiary Ignites National Debate
On June 21, 1934, a major disturbance at a federal penitentiary—later characterized as one of the first modern U.S. prison riots—forced public attention on conditions, discipline and federal custody, prompting national debate over prison reform and law enforcement responses.
NBC’s June 21, 1948 TV News Broadcast Becomes First Nationwide Telecast
On June 21, 1948, NBC transmitted the first television news program to a nationwide audience by linking stations across the United States, marking a milestone in television journalism and network broadcasting.
Alcatraz Closes: Federal Penitentiary Shuts Down Citing Unsustainable Costs
On June 21, 1963, the U.S. Department of Justice closed Alcatraz Federal Penitentiary, citing escalating maintenance and operating costs tied to the island’s exposed location and aging facilities.
France Moves to End Monarchy as Revolution Escalates, June 1792
On 21 June 1792 revolutionary pressure and political measures effectively dismantled royal authority in France, marking a decisive step toward abolition of the monarchy amid escalating conflict and popular unrest.