Under the direction of President John Adams, the Congress passed the Sedition Act of 1798, which made it a criminal offence to publish statements critical of the federal government. The first individual to be tried under the law was Rep. Matthew Lyon, who unsurprisingly had voted against its passage. Lyon was re-elected from jail.
The Civil Rights Act of 1964 outlawed discrimination based on race, sex, and national origin in employment, accommodation, and education.
In America's first use of the Presidential veto, George Washington vetoed legislation affixing the size of the House of Representatives at 120 members.
Tammy Baldwin (D-WI) became the first openly LGBT senator in 2012.
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.