Corey Lewandowski, the embattled manager of Donald Trump's 2016 campaign, is out after months of turmoil that included allegations of assault and bitter hierarchical power struggles.
Here's a look back at some of the pivotal moments of Lewandowski's tenure.
February 9, 2016: Trump wins the New Hampshire primary.
March 8, 2016: Lewandowski allegedly yanks on the arm of reporter Michelle Fields at an event at Trump National Golf Club.
March 10, 2016: Fields publishes a full account of the incident on Breitbart's web site. Trump's campaign responds, calling the allegation "entirely false." Fields tweets a photo of bruises on her arm.
March 11, 2016: Lewandowski tweets at Fields "you are totally delusional. I never touched you. As a matter of fact, I have never even met you."
March 15, 2016: Despite the swirling controversy, Trump publicly congratulates Lewandowski at his March 15 primary victory speech, saying "good job, Corey."
March 19, 2016: Video captures Lewandowski grabbing a protestor's collar at a rally in Tucson, Arizona.
March 21, 2016: Buzzfeed publishes a story detailing misogynistic comments by Lewandowski, particularly toward female reporters.
March 28, 2016: Trump hires strategist Paul Manafort to lead his delegate effort.
March 29, 2016: Lewandowski is charged with battery for the Fields incident by Jupiter police. Trump continues to defend Lewandowski, saying of Fields "How do you know those bruises weren't there before?"
April 6, 2016: Reports of infighting continue after Trump's loss in the Wisconsin primary. "There are essentially five or six people in the campaign," one source told NBC News. "Certain people don't want to lose power."
April 8, 2016: Manafort tells CNN he works "directly for the boss."
April 14, 2016: Officials in Palm Beach County drop assault charges against Lewandowski.
April 18, 2016: Reports begin to emerge that Lewandowski has essentially been reduced to a "body man and scheduler" as Manafort ascends to de facto campaign manager, although he retains the campaign manager title.
May 10, 2016: The Washington Post reports that Lewandowski will oversee Trump's vice presidential search.
May 16, 2016: Lewandowski denies reports that he is writing a book about the campaign.
May 19, 2016: Paul Manafort is promoted to campaign chairman and chief strategist, prompting yet more speculation that Lewandowski is being pushed out entirely. Spokeswoman Hicks says Lewandowski will "continue overseeing day-to-day operations and will work with Manafort on political strategy and communications, among other things, through the general election.''
May 19, 2016: Page Six reports that Lewandowki and spokeswoman Hope Hicks had a public "screaming match" on a Manhattan street.
May 25, 2016: Trump aide Rick Wiley leaves campaign after six weeks on the job.
May 29, 2016: Lewandowski appears on Fox News Sunday and dismisses reporting indicating a rift between himself and Paul Manafort, saying "there is no sunlight between me and Paul."
June 20, 2016: The Trump campaign confirms Lewandowski's departure from the campaign.