Tammy Baldwin (D-WI) became the first openly LGBT senator in 2012.
The U.S. Senate unanimously voted to pass what would become the 26th Amendment, lowering the voting age to 18.
As Joe Biden is inaugurated as America's 46th President, browse his votes as a U.S. Senator
Visualize the 117th Senate and its members, and compare it with past congresses
Visualize the 117th House and its members, and compare it with past congresses