Today in history

October 13: historical facts and curiosities

What happened on this date in history? Explore landmark events, discoveries, and curiosities from October 13.

Curiosity for 2028-10-13

Today is a great day to plan ahead and organize your upcoming commitments.

Source: gemini

Curiosity for 2027-10-13

Today is a great day to plan ahead and organize your upcoming commitments.

Source: gemini

Greenwich Becomes Prime Meridian

On October 13, 1884, the International Meridian Conference, held in Washington D.C., officially established the meridian passing through the Royal Observatory in Greenwich, London, as the Earth's prime meridian. This pivotal decision standardized longitude zero, creating a global reference for geographic coordinates and a universal basis for calculating time zones. This agreement vastly simplified international navigation and cartography, laying the foundation for modern global timekeeping.

Source: gemini

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