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How a 19th-century treaty shaped the modern world's measurements
On May 20, 1875, delegates from a group of 17 countries gathered in Paris to sign what may be the most overlooked yet globally influential treaty in history: the Metre Convention.
150 years ago, the Metre Convention determined how we measure the world — a radical initiative for the time
On May 20, 1875, delegates from a group of 17 countries gathered in Paris to sign what may be the most overlooked yet ...