The famous monument in Washington, D.C., that honors an American president who led the nation during the Civil War is the Lincoln Memorial. Dedicated to President Abraham Lincoln, it was completed in 1922 and features a large seated statue of Lincoln surrounded by 36 columns, each representing a state in the Union at the time of his death. This monument serves as a symbol of unity and equality, reflecting Lincoln's commitment to ending slavery and preserving the nation. It has become a site of significant historical events, including Martin Luther King Jr.’s "I Have a Dream" speech.