Explanation

• January 29, 1258
  
• The Siege of Baghdad was a siege that took place in Baghdad in 1258 and lasted 13 days from January 29, 1258 to February 10, 1258.
• The siege, carried out by Mongolian Ilkhanate forces and allied troops, involved the investment, capture and sack of Baghdad, then the capital of the Abbasid Caliphate.