History · September 23, 1122
904 years ago
The Concordat of Worms (Latin: Concordatum Wormatiense; German: Wormser Konkordat), also referred to as the Pactum Callixtinum or Pactum Calixtinum, was an agreement between the Catholic Church and the Holy Roman Empire which regulated the procedure for the appointment of bishops and abbots in the Empire.
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The 905th anniversary falls on September 23, 2027.
1215–1294
b. 1949
1930–2004
1901–1986The Turkish invasion of Armenia, also known as the Turkish–Armenian War and known in Turkey as the Eastern Front (Turkish: Doğu cephesi) of the Turkish War of Independence, was a conflict fought between the recently established First Republic of Armenia and the Turkish National Movement, following the signing of the…
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On 23 September 2008, a school shooting occurred at the Seinäjoki University of Applied Sciences (SeAMK) in Kauhajoki, Finland.
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The 43rd Chess Olympiad (Georgian: 43-ე საჭადრაკო ოლიმპიადა, 43-e sach’adrak’o olimp’iada; also known as the Batumi Chess Olympiad), organised by the Fédération Internationale des Échecs (FIDE).
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In late September 2022, in the context of the Russian invasion of Ukraine, Russian-installed officials in Ukraine staged so-called referendums on the annexation of occupied territories of Ukraine by Russia. They were widely described as sham referendums by commentators and denounced by various countries.
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