On May 1, 1931, President Herbert Hoover pressed a button in Washington, D.C., to light this landmark, officially opening it to the public.
- Washington Monument
- Smithsonian Institution’s first building
- Empire State Building
- St. Louis Arch
On May 1, 1931, President Herbert Hoover pressed a button in Washington, D.C., to light this landmark, officially opening it to the public.