2017 March 6, Brian Stelter, “Birth of a conspiracy theory: How Trump's wiretap claim got started”, in CNN[1]:
An incendiary idea first put forward by right-wing radio host Mark Levin is now burning across Washington, fanned by President Trump's tweets and a huge number of supportive commentators and websites -- even though the facts don't back up the conclusion. Breitbart News has given the conspiracy theory a name: "DeepStateGate." Others are going with "ObamaGate."
2018 February 1, Jordan Schachtel, “Dan Bongino: Obamagate is the ‘most consequential political scandal’ in US history”, in The Blaze[2]:
Bongino singled out Democratic Rep. Adam “Shifty” Schiff as a “lying, manipulative sleazeball” who he accused of lying to the American people about the truth of the “Obamagate” scandal.
2019 August 16, Dan Friedman, quoting Sydney Powell, “Michael Flynn Wants a Judge to Allow Him to Travel to a Conference Held by a QAnon Fan”, in Mother Jones[3]:
#Obama must have gone from #WeatherUnderground to #HigherGround Productions because he knows #TheStormIsComing Follow the $$$@realDonaldTrump IS #TheStorm @AmericaFirstPol @ChrisRuddyNMX @mosbacher_mica @TheLastRefuge2#ObamaNetflixShow #Obama #ObamaGate #Spygate
2020 May, David Graham, quoting Donald Trump, “How to Understand ‘Obamagate’”, in The Atlantic[4]:
Obamagate. It’s been going on for a long time. It’s been going on from before I even got elected, and it’s a disgrace that it happened, and if you look at what’s gone on, and if you look at now, all this information that’s being released—and from what I understand, that’s only the beginning—some terrible things happened, and it should never be allowed to happen in our country again.
2020 May 14, “Explainer: What is ‘Obamagate’ and where did it come from?”, in Al Jazeera[5]:
In a furious barrage of 126 tweets, the third-highest daily total of his presidency, Trump unleashed a relatively unfamiliar hashtag on the world – “#OBAMAGATE!” Trump’s tweets, retweets, exclamation points, and all-caps missives on Sunday introduced his 80 million followers on the social media platform to a conspiracy theory that had been circulating on conservative websites for more than a year
