Washington Monument Washington, District of Columbia

1833
The Washington Monument is designed by architect Robert Mills.
1848
Groundbreaking ceremony for the Washington Monument, attended by Washington's step-grandson George Washington Parke Custis, then-president James K. Polk, and congressman Abraham Lincoln.
1861
The Washington Monument is only one-third complete when construction is interrupted by the Civil War.
6 Dec 1884
Completion of the Washington Monument
21 Feb 1885
Dedication of the Washington Monument by President Chester Arthur
1888
Washington Monument opened to the public
15 Oct 1966
Washington Monument added to National Register of Historic Places
2001
The Washington Monument reopens to the public after a long period of restoration work.