Construction of the Washington Monument was completed on December 6, 1884. The famous obelisk on the National Mall in Washington, D.C., was built to commemorate George Washington, once commander-in-chief of the Continental Army and the first President of the United States. Located almost due east of the Reflecting Pool and the Lincoln Memorial, the monument, made of marble, granite, and bluestone gneiss, is both the world’s tallest stone structure and the world’s tallest obelisk, standing 554 feet 7 11⁄32 inches (169.046 meters) tall according to the National … Continue reading Completion of the Washington Monument