• War in Afghanistan (2001–2021)
  • March 2017 Kabul attack
    • A suicide bomber and unidentified gunmen dressed as doctors attack a military hospital in Kabul, killing at least 38 people and wounding dozens more. ISIL claims responsibility for the attack. (The Guardian)
• Iraqi Civil War (2014–2017)
  • At least 21 people are killed after two suicide bombers attack a wedding party near Tikrit. (Al Jazeera)
• Syrian Civil War
  • American-led intervention in Syria
    • The United States Marine Corps' 11th Marine Expeditionary Unit arrives in Syria ahead of a Syrian Democratic Forces operation to take control of ISIL's de facto capital of Raqqa. (The Washington Post)

• RadioShack files for chapter 11 protection from creditors for the second time in two years. (Reuters).

• The gigantic limestone natural arch Azure Window on the Maltese island of Gozo collapses due to a storm. (Times of Malta)
• 2017 Guatemala orphanage fire
  • A fire breaks out at an orphanage in San José Pinula, Guatemala after students protesting conditions including alleged sexual and physical abuse set fire to their bedding, killing at least 19 children. (BBC)

• Abdellatif Midras, a member of the Moroccan Parliament, is shot dead in Casablanca. (Reuters)

• The Day Without a Woman general strike occurs. (The Verge)

• Timeline of Mars exploration
  • U.S. Congress passes a bill that mandates NASA send humans to Mars by 2033. (Business Insider) (Gizmodo)
• Physicists synthesize space-time crystals for the first time. (Live Science) (Nature)

• 2016–17 UEFA Champions League
  • In association football, FC Barcelona becomes the first team to overturn a first-leg 4–0 deficit in the UEFA Champions League as they knocked out Paris Saint-Germain with a 6–1 victory in the second leg to reach the quarter-finals for the 10th successive season. (BBC)