Events on March 18 in history

Peace of Riga (March 18, 1921)

The second Peace of Riga is signed between Poland and the Soviet Union.

The Peace of Riga, also known as the Treaty of Riga (Polish: Traktat Ryski), was signed in Riga on 18 March 1921, among Poland, Soviet Russia (acting also on behalf of Soviet Belarus) and Soviet Ukraine. The treaty ended the Polish–Soviet War.The Soviet-Polish borders established by the treaty remained in force until World War II. They were later redrawn during the Tehran Conference, Yalta Conference and Potsdam Conference.

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Events on 1921

15 Feb

Helsinki
Kingdom of Romania establishes its legation in Helsinki.
20 Mar

Versailles Treaty
The Upper Silesia plebiscite was a plebiscite mandated by the Versailles Treaty to determine a section of the border between Weimar Germany and Poland.
11 Jul

William Howard Taft
Former President of the United States William Howard Taft is sworn in as 10th Chief Justice of the U.S. Supreme Court, becoming the only person ever to hold both offices.
29 Oct

Sacco and Vanzetti
United States: Second trial of Sacco and Vanzetti in Boston, Massachusetts.
11 Nov

Arlington National Cemetery
The Tomb of the Unknowns is dedicated by US President Warren G. Harding at Arlington National Cemetery.

Events on March 18 in history

Peace of Riga (March 18, 1921)

References

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Events on 1921

Helsinki

Versailles Treaty

William Howard Taft

Sacco and Vanzetti

Arlington National Cemetery