[MSFixR]

• 1241 – Mongol invasion of Europe: Mongols led by Batu Khan and Subutai crushed the Hungarian army of King Béla IV at the Battle of Mohi near the Sajó River in Hungary.
• 1713 – The main agreements of the Treaty of Utrecht were signed in the Dutch city of Utrecht, helping to end the War of the Spanish Succession.
• 1888 – The Concertgebouw concert hall in Amsterdam, the Netherlands, was inaugurated.
• 1890 - Joseph Merrick, "The Elephant Man" died (b. 1862) (Merrick known as "The Elephant Man", gained the sympathy of Victorian era Britain because of the extreme malformity of his body.)
  
  
  Joseph Merrick "The Elephant Man"
  
  
• 1905 - Einstein reveals his Theory of Relativity (special relativity).
• 1945 – World War II: American forces liberated the Buchenwald concentration camp near Weimar, Germany.
• 1979 – Ugandan-Tanzanian War: The Uganda National Liberation Army and Tanzanian forces captured Kampala, forcing Ugandan President Idi Amin to flee.
• 2002 – In a coup attempt, members of the Venezuelan military detained President Hugo Chávez and demanded his resignation.