Date in year · 1921 · The 1920s

January 20, 1921

On January 20, 1921, the British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die.

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1921

1920s

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1921 (MCMXXI) was a common year starting on Saturday of the Gregorian calendar and a common year starting on Friday of the Julian calendar, the 1921st year of the Common Era (CE) and Anno Domini (AD) designations, the 921st year of the 2nd millennium, the 21st year of the 20th…

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What happened

On January 20, 1921

  1. 1921 The British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die.

    Royal Navy K-class submarine (1917 to 1921)

    HMS K5 was one of the K-class submarines that served in the Royal Navy from 1917–1921. She was lost with all hands when she sank en route to a mock battle in the Bay of Biscay.

  2. 1921 The first Constitution of Turkey is adopted, making fundamental changes in the source and exercise of sovereignty by consecrating the principle of national sovereignty.

    Fundamental law of post-Ottoman Turkey from 1921 to 1924

    The Constitution of 1921 was the fundamental law of Turkey for a brief period from 1921 to 1924. The first constitution of the modern Turkish state, it was ratified by the Grand National Assembly of Turkey in January 1921. It was a simple document consisting of only 23 short articles.

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