The Washington Monument is an obelisk near the west end of the National Mall in Washington, D.C., built to commemorate the first U.S. president, General George Washington. The monument, made of marble, granite, and bluestone gneiss, is both the world's tallest stone structure and the world's tallest obelisk.

Constructed, Dec 6, 1884
Dedication, Feb 21, 1885

Related People
Elizabeth Schuyler Hamilton, Helped Dolley Madison and Louisa Adams raise money to build the Washington Monument.