The Marawi siege was a brutal five-month-long armed conflict in Marawi, Philippines, that started on May 23, 2017, between Philippine government security forces and militants affiliated with the Islamic State (IS), including the Maute and Abu Sayyaf groups. The battle was the longest urban battle in the modern history of the Philippines, resulting in widespread destruction and displacement of civilians.[¹](https://en.wikipedia.org/wiki/Siege_of_Marawi) *Key Events of the Siege:* - _May 23, 2017_