The House of Representatives voted 421-1 to authorize the use of military force against the perpetrators of the September 11th attacks
The Senate voted to acquit former President Trump of charges of inciting the January 6th attack on congress. Although Senate Minority Leader Mitch McConnell expressed that Trump was legally culpable for a "disgraceful dereliction of duty", he concluded that the Senate is unable to convict former officials. The Senate had previously held it has the power to do so.
The Senate failed, barely, to secure a two-thirds majority in favor of convicting President Andrew Johnson
Rep. Marjorie Taylor Greene (R-GA) was removed from House committee appointments via a mostly party-line vote after media coverage of statements she made over the last few years, including instances where she falsely claimed the September 11th attacks, Christchurch Mosque Shootings, murder of Heather Heyer, and school shootings across America were all fake.
In 1866, the House voted 105-20 to try former Confederate President Jefferson Davis for treason -- the trial ultimately never occurred.