Treaty of the Metre Current Affairs, GK & News

20 May: World Metrology Day celebrated

The World Metrology Day is observed every year on 20 May, which commemorates anniversary of signing of Metre Convention in 1875. About World Metrology Day Background: The day commemorates anniversary of signing of the international treaty called Metre Convention in Paris on 20 May 1875, by which International Bureau of Weights and Measures (BIPM) was ..

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