Peter Force (November 26, 1790 – January 23, 1868) was an American politician, newspaper editor, printer, archivist, and early American historian. He was twice elected the twelfth Mayor of Washington D.C. During his lifetime he amassed an invaluable and vast collection of books, manuscripts, original maps and other archival material from statesmen, and American and British military officers of the American Revolution. Force's collection is considered to be among the most extensive. Force served in the Washington militia as a lieutenant during the War of 1812. Politically, he was a member of the Whig Party, and supporter of John Quincy Adams. He is mostly noted for editing and publishing a massive collection of historical documents, books and maps in several volumes involving the American