Global historical events and milestones for August 11 and 12

Historical records for August 11 and 12 highlight various global events. In 2025, US President Donald Trump deployed the National Guard to Washington, D.C., citing rising crime, though local statistics indicated a decline in reported offenses. In 2021, a heat record for continental Europe was set in Syracuse, Sicily, with temperatures reaching 48.8 degrees Celsius.

Other notable milestones include the 2023 transfer of footballer Harry Kane to FC Bayern for over 100 million euros, the 1981 introduction of the IBM 5150 personal computer, and the 1970 signing of the Moscow Treaty between Willy Brandt and Alexey Kosygin to normalize relations with the Warsaw Pact.