The previous record for the longest U.S. federal government shutdown was 35 days, set during Donald Trump's first term over funding for a U.S.-Mexico border wall.
Notes on verification
Multiple independent, high-quality news sources (NPR, Reuters, NBC News) corroborate the 35-day shutdown record and its cause, with consistent details across reports. [tier=silver indep_score=0.917 clusters=3 claim_tier=notable]
Sources
- Trump lashes out and Democrats dig in as shutdown sets ... (seed:politics_and_current_events)
- https://www.npr.org/2025/11/05/nx-s1-5598315/government-shutdown-longest-history (corroboration)
- https://www.yahoo.com/news/articles/factbox-longest-us-government-shutdowns-095951235.html (corroboration)
- https://www.nbcnews.com/politics/politics-news/35-days-government-shutdown-record-longest-history-election-day-rcna241576 (corroboration)