On March 7th, 1975, in a bipartisan vote, the U.S. Senate voted to amend Rule XXII (which governs the end of debate, and thus filibustering) to lower the threshold for cloture from 67 to 60 votes.
The Civil Rights Act of 1964 outlawed discrimination based on race, sex, and national origin in employment, accommodation, and education.
The Senate's attempt to repeal the Affordable Care Act narrowly failed due to a surprise defection by Sen. John McCain
After reports that the USS Maddox had been attacked by North Vietnamese naval vessels, the U.S. House of Representatives voted 422-1 to authorize military action in Vietnam. Eugene Siler was the loan 'Nay' vote.
Hours after armed rioters storm the U.S. capitol to demand the 2020 presidential election be overturned, 7 Senators vote in support of their demands