Joseph Rainey (R-SC), born into slavery, was the first African-American elected to the House of Representatives.
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 that former President Barack Obama personally ordered a street gang to murder DNC staffer Seth Rich.
Robert Smalls, born enslaved in South Carolina, stole the CSS Planter and delivered it to Union troops. After the Civil War, Smalls was elected to the South Carolina legislature and later to the U.S. Congress where he served 5 terms during and after Reconstruction.
After a nomination process that culminated in a public FBI investigation, Brett Kavanaugh was confirmed largely along party lines 50-48.
In 1965, Congress passed the Immigration and Nationality Act, which eliminated restrictions racial, ethnic, and national origin restrictions on immigration and established priority immigration procedures for family reunification.