Two years ago, the U.S. Senate did not have a single Black woman. And before that, only two Black women had ever served in the upper chamber of Congress. Lisa Blunt Rochester in Delaware and Angela Alsobrooks in Maryland will change the math, making history while bringing greater representation to Congress and maintaining the Democrats’ hold on the seats.

This is also the first time that two Black women will serve as senators together—and they will each take seats held by white male Democrats.