1939
War & Conflict
Germany Invades Poland
Nazi Germany launched a massive invasion of Poland, triggering World War II. The Blitzkrieg tactics overwhelmed Polish defenses, and Britain and France declared war on Germany two days later.
On This Day in History
1923
Disaster
Great Kanto Earthquake
A magnitude 7.9 earthquake devastated the Tokyo-Yokohama metropolitan area, killing over 100,000 people. The resulting fires destroyed much of Tokyo and led to the complete reconstruction of the city.
1715
Politics
Louis XIV Dies
The 'Sun King' of France died after a 72-year reign, the longest in European history. Louis XIV had transformed France into Europe's dominant power and built the magnificent Palace of Versailles.
1983
Disaster
Soviet Union Shoots Down KAL 007
A Soviet Su-15 interceptor shot down Korean Air Lines Flight 007 after it strayed into Soviet airspace, killing all 269 passengers. The incident dramatically escalated Cold War tensions.
1985
Exploration
Titanic Wreck Discovered
A joint American-French expedition discovered the wreckage of RMS Titanic on the Atlantic Ocean floor, 73 years after it sank. The ship lay 12,500 feet below the surface, remarkably preserved.
1897
Technology
Boston Subway Opens
The Tremont Street subway in Boston opened as the first underground rapid transit system in North America. The four-station line pioneered urban mass transit in the United States.
1969
Politics
Muammar Gaddafi Seizes Power
A group of young military officers led by 27-year-old Muammar Gaddafi overthrew King Idris of Libya in a bloodless coup. Gaddafi would rule Libya for over 42 years.