What were the biggest controversies and scandals in Trump's first presidency?

Checked on January 15, 2026
Disclaimer: Factually can make mistakes. Please verify important information or breaking news. Learn more.

Executive summary

Donald Trump’s first presidency was dominated by a handful of recurring controversies — the probe into Russian contacts and election interference, two impeachments tied to Ukraine and to the post‑2020 election period culminating in the January 6 Capitol attack, persistent allegations of self‑dealing and conflicts of interest tied to his businesses, and a pattern of inflammatory public statements that generated political and social backlash — each issue drawing sustained media, legal and congressional attention [1] [2] [3] [4]. Reporting and watchdog groups offer sharply different frames: some treat these as systemic abuses of office and threats to norms, while supporters call them politicized attacks or routine partisan conflict; sources used here include Reuters, ThoughtCo, CREW, Pew and others [4] [1] [3] [2].

1. The Russia investigation and its long shadow

The question of whether the 2016 campaign coordinated with Russian efforts to influence the election produced years of scrutiny, a bipartisan congressional investigation and the special counsel probe that defined Trump’s early years — reporting described the Russia scandal as the most serious controversy in his early presidency and pointed to links between campaign figures and Russian operatives identified by the Senate Intelligence Committee [1] [4].

2. Impeachment No. 1 — Ukraine and abuse of office allegations

Trump’s first impeachment arose from a House inquiry that alleged he withheld military aid and pressured Ukraine to announce investigations that would benefit his reelection prospects; that episode became a central political fight over abuse of power and presidential conditioning of foreign assistance, and it cemented impeachment as a major scandal of his term (the sources summarize the impeachment as a defining controversy) [1].

3. Impeachment No. 2, the 2020 election and January 6

After the 2020 election Trump’s prolonged efforts to overturn results, and his role in the events that preceded the January 6 Capitol riot, led to his second impeachment — making him the first U.S. president impeached twice — and to enduring debate over whether his rhetoric constituted incitement and weakened democratic norms [1] [2].

4. Business conflicts, profiteering and ethical alarms

Watchdog groups documented what they described as pervasive conflicts of interest during Trump’s administration, cataloguing thousands of potential conflicts and detailing instances where foreign and domestic payments to Trump properties raised questions about access and influence while the president continued to benefit financially from his businesses [3] [5].

5. Rhetoric, race and the Charlottesville rupture

Trump’s response to the violent “Unite the Right” rally in Charlottesville — including his remark that there were “very fine people on both sides” and his initial “many sides” formulation — became a focal scandal about presidential moral leadership and race, provoking bipartisan criticism and long‑running controversy over whether his comments normalized extremist groups [4] [6].

6. Misinformation, social media and the erosion of civic norms

Conspiracy theories and made‑up news proliferated during Trump’s tenure, with surveys and analysts pointing to misinformation as a salient feature of the political environment and to the president’s amplification of false claims about elections as particularly consequential for public trust and political violence [2].

7. Policy fights and the political costs of style

Beyond headline scandals, a sweep of policy choices — the 2017 tax overhaul and deregulatory agenda criticized for favoring wealthy interests, the frequent turnover and politicization of executive branches, and constant public clashes over facts such as inaugural crowd size — fed the sense of an administration at odds with institutional norms and created a steady drumbeat of controversy across the four years [4] [7] [5].

Each of these controversies had contested narratives: some critics and watchdogs presented them as evidence of corruption, norm‑breaking and democratic risk, while many supporters and allied outlets framed them as partisan witch hunts or necessary political battles; the sources used here reflect both factual chronology and partisan contestation but do not resolve normative verdicts on intent beyond documented actions and outcomes [1] [3] [2] [4]. Reporting limitations: available sources catalog major controversies and watchdog findings but do not provide comprehensive legal finality for every allegation, and readers should consult primary legal documents and final reports for adjudicated conclusions [1] [3].

Want to dive deeper?
What were the main findings of the Mueller investigation and the Senate Intelligence Committee on 2016 Russian interference?
How did watchdog groups document conflicts of interest at the Trump White House and what remedies were proposed?
What did congressional investigations conclude about the events that led to the two impeachments of President Trump?