After his election, left-wingers labeled themselves as the "resistance" against Trump<ref>Pollak, Joel B. (December 24, 2017). [https://www.breitbart.com/big-government/2017/12/24/hold-2017-the-year-in-resistance/ 2017: The Year in ‘Resistance’]. ''Breitbart News''. Retrieved December 24, 2017.<br>See also:
*Jasper, William F. (November 17, 2018). [https://www.thenewamerican.com/usnews/politics/item/30672-indivisible-anti-trump-strategy-obstruct-disrupt-sabotage-delay-defame-accuse-investigate-agitate-impeach ‘Indivisible’ Anti-Trump Strategy: Obstruct. Disrupt. Sabotage. Delay. Defame. Accuse. Investigate. Agitate. Impeach]. ''The New American''. Retrieved November 17, 2018.
*Pollak, Joel B. (January 1, 2020). [https://www.breitbart.com/politics/2020/01/01/left-declares-2020-year-of-the-resistance-to-trump-johnson/ Left Declares 2020 ‘Year of the Resistance’ to Donald Trump, Boris Johnson]. ''Breitbart News''. Retrieved January 1, 2020.</ref> and even changed their political views in reaction to President Trump's.<ref>Boyer, Dave; Howell, Tom (February 4, 2019). [https://www.washingtontimes.com/news/2019/feb/4/donald-trumps-backing-fuels-resistance-issues-demo/ Trump's backing fuels 'resistance' on issues Democrats traditionally support]. ''The Washington Times''. Retrieved February 4, 2019.</ref> As a testament to the deep opposition and hatred towards him by the left-wing, at least 217 violent protestors were arrested in Washington D.C. on Inauguration Day.<ref>Multiple references:
*Weber, Joseph (January 20, 2017). [https://www.foxnews.com/politics/2017/01/20/trump-supporters-protesters-rally-before-sunrise-on-inauguration-day.html Hundreds of protesters arrested in Inauguration Day clashes]. ''Fox News''. Retrieved March 31, 2017.