Feb. 13: Michael Flynn resigns after 23 days as national security adviser.

March 10: Attorney General Jeff Sessions abruptly asks 46 U.S. attorneys to tender their resignations.

May 9: FBI Director James Comey is fired by Trump.

May 30: White House communications director Mike Dubke resigns.

July 21: Press secretary Sean Spicer resigns.

July 25: Assistant press secretary Michael Short resigns.

July 28: Chief of Staff Reince Priebus is replaced by John Kelly, who runs the Department of Homeland Security.

July 31: Anthony Scaramucci is removed as communications director.

Aug. 18: Chief strategist Steve Bannon leaves his position.