1921Jun, 28
Serbian King Alexander I proclaims the new constitution of the Kingdom of Serbs, Croats and Slovenes, known thereafter as the Vidovdan Constitution.
Alexander I (Serbian Cyrillic: Александар Обреновић, romanized: Aleksandar Obrenović; 14 August 1876 – 11 June 1903) reigned as the king of Serbia from 1889 to 1903 when he and his wife, Draga Mašin, were assassinated by a group of Royal Serbian Army officers, led by Captain Dragutin Dimitrijević.
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Events on 1921
- 15Feb
Helsinki
Kingdom of Romania establishes its legation in Helsinki. - 20Mar
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. - 11Jul
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. - 29Oct
Sacco and Vanzetti
United States: Second trial of Sacco and Vanzetti in Boston, Massachusetts. - 11Nov
Arlington National Cemetery
The Tomb of the Unknowns is dedicated by US President Warren G. Harding at Arlington National Cemetery.