The Speaker used her 32 personalised pens to sign the finalised articles of impeachment after the House voted 228-193 to transmit them to the Senate for trial.
She also signed a resolution appointing her impeachment “managers” – House members who will prosecute the case accusing Mr Trump of abusing his power and obstructing Congress.
The documents were handed to Senate officials after a procession through the Capitol building yesterday evening – only the third time the ritual has been performed.
The Speaker said before the vote: “We are here today to cross a very important threshold in American history.
Adam Schiff D, CA, House Intelligence
Jerrold Nadler D, NY, House Judiciary
Zoe Lofgren D, CA, House Administration
Val Demings D, FL, House Intelligence
Hakeem Jeffries D, NY, House Democrat committee
Sylvia Garcia D, TX, House Judiciary
Jason Crow D, CO, House Armed Sevices
Maxine Waters D, CA, House Financial Services
Nancy Pelosi D, CA, Speaker of the House
Carolyn Maloney D, NY, House Oversight, G'ment Reform
Eliot Engel D, NY, House Foreign Affairs
Richard Neal D, MASS, House Ways and Means