British scientist John Dalton begins using symbols to represent the atoms of different elements. John Dalton’s introduction of **symbols to represent the atoms of different…
5 September 1725
Wedding of Louis XV and Maria Leszczy?ska. The marriage of **King Louis XV of France and Maria Leszczy?ska of Poland** took place in 1725 and…
4 September 1977
The Golden Dragon massacre takes place in San Francisco. The **Golden Dragon massacre** was a notorious gang-related shooting that took place on September 4, 1977,…
3 September 2004
Beslan school siege results in over 330 fatalities, including 186 children. The **Beslan school massacre** was one of the deadliest terrorist attacks in modern Russian…
2 September 1859
The Carrington Event is the strongest geomagnetic storm on record. The **Carrington Event of 1859** was the most powerful geomagnetic storm known to have struck…
1 September 1894
Over 400 people die in the Great Hinckley Fire, a forest fire in Hinckley, Minnesota. The **Great Hinckley Fire** was a devastating forest fire that…
31 August 1895
German Count Ferdinand von Zeppelin patents his navigable balloon. German Count **Ferdinand von Zeppelin (1838–1917)** was a military officer, engineer, and aviation pioneer whose name…
30 August 70
Titus ends the siege of Jerusalem after destroying Herod’s Temple. The **Siege of Jerusalem in 70 CE** was one of the most significant events of…
2 August 1939
Albert Einstein and Leo Szilard write a letter to Franklin D. Roosevelt, urging him to begin the Manhattan Project to develop a nuclear weapon. On…
28 August 1189
The Crusaders begin the Siege of Acre under Guy of Lusignan. The **Third Crusade (1189–1192)** was a major military campaign launched by European Christian rulers…