Obama
2008: Birther conspiracy
2008-01-01 Trump pushed the “birther” conspiracy about Obama, claiming he was ineligible to run for presidency.
https://www.bbc.com/news/election-us-2016-37391652
https://repository.gonzaga.edu/jhs/vol14/iss1/3/
2011: Obama is Muslim
2011-03-28 During an interview with Fox, Trump claimed about Obama, “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
2014-02-04 Facebook rumors claimed Obama ordered $1 billion in disposable coffins for FEMA detention centers in case of an American revolt. s 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 Greg Abbott and Ted Cruz questioned Pentagon training exercises amid martial-law rumors; Abbott later ordered the Texas State Guard to monitor U.S. military drills.
2016: Obama founded ISIS
2016-06-16 Trump promoted the claim that Obama helped found ISIS, telling CNBC, “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”. s 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 Trump accused Obama of treason, “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 Tulsi Gabbard claimed in a conspiracy-board post that newly released intelligence documents showed the Obama administration manufactured evidence of Russian election interference in 2016
https://www.factcheck.org/2025/07/gabbards-misleading-coup-claim/
2025 November: Obama collected Obamacare royalties
2025-11-09 Trump claimed 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