ISTANBUL, TURKEY - JULY 15: A man waves Turkey's national flag in front of the Hagia Sophia Mosque on the fourth anniversary of the July 15, 2016 failed coup attempt on July 15, 2020 in Istanbul, Turkey. On the night of July 15, 2016, 249 people died when military personnel attempted to overthrow the government and President Recep Tayyip Erdogan.  (Photo by Chris McGrath/Getty Images)