Obama
2011: Obama is Muslim
2011-03-28 During an interview with Fox, Trump floated the idea that Obama is Muslim, stating, “He doesn’t have a birth certificate. He may have one, but there’s something on that, maybe religion, maybe it says he is a Muslim”.
https://www.cnn.com/2015/09/18/politics/trump-obama-muslim-birther
2012: Obama engineered Hurricane Sandy
2012-10-30 The right cultivated conspiracies that Obama engineered Hurricane Sandy using a secret military radio-wave system. Trump posted four separate tweets about Hurricane Sandy: “Hurricane is good luck for Obama again - he will buy the election by handing out billions of dollars”, “The polls & momentum are trending towards @MittRomney. Don’t let the hurricane change your thinking!”, “Could be the hurricane helps @MittRomney – people are rioting in the streets over gasoline”, and “Polls show that the hurricane had a huge positive effect for Obama on his win - isn’t that ridiculous?”.
https://www.politico.com/story/2016/10/trump-hurricane-sandy-obama-birther-229237
2014: Obama ordered coffins for a revolt
2014-02-04 Rumors fly on Facebook that Obama ordered $1B in disposable coffins for FEMA detention centers in case of an American revolt.
2015: Obama would impose martial law
2015-02-18 Governor Greg Abbot and Ted Cruz held a joint press conference in Austin to question the Pentagon over military training. This was in the wake of rumors that Obama would impose martial law. In May Governor Abbot ordered the Texas State Guard to monitor U.S. military training.
2016: Obama founded ISIS
2016-06-16 Trump cultivated a conspiracy that Obama arranged a deal with Iran and ISIS to launch a nuclear attack. During an interview on CNBC, Trump stated, “No I meant that he’s the founder of ISIS. I do. He was the most valuable player. I gave him the most valuable player award”.
https://www.npr.org/2016/08/11/489607788/trump-attacks-obama-as-the-founder-of-isis
2025 July: Obama is guilty of treason
2025-07-22 During a White House press conference, Trump accused Obama of treason. Trump stated, “they tried to rig the election, and they got caught” and “Whether it’s right or wrong, it’s time to go after people. Obama’s been caught directly”.
https://www.cnn.com/2025/07/22/politics/trump-obama-treason-accusation-analysis
https://abcnews.go.com/Politics/trump-accuses-obama-treason-oval-office/story?id=123963917
2025-07-23 On social media Tulsi Gabbard claimed to debunk Obama administration intelligence assessments and posted a conspiracy board on her account. In the first paragraph of her post she wrote “New evidence has emerged of the most egregious weaponization and politicization of intelligence in American history. Per President @realDonaldTrump’s directive, I have declassified a House Intelligence oversight majority staff report that exposes how the Obama Administration manufactured the January 2017 Intelligence Community Assessment that they knew was false, promoting the LIE that Vladimir Putin and the Russian government helped President Trump win the 2016 election”.
https://www.factcheck.org/2025/07/gabbards-misleading-coup-claim/
2025 November: Obama collected Obamacare royalties
2025-11-09 Trump claimed on a social media post that Obama collected royalties from Obamacare.
https://www.yahoo.com/news/articles/cnn-jake-tapper-mocks-insane-151543065.html
https://www.theguardian.com/us-news/2025/nov/09/trump-obama-obamacare-royalties-claim
https://truthsocial.com/@realDonaldTrump/posts/115520378078620283