Item — HN Reader

Seems that landing experimental aircraft on the Capitol steps was a thing. Senator Hiram Bingham landed both a blimp (1929) and this "autogyro" (1931) there too:

https://uschs.files.wordpress.com/2012/05/bingham.jpg

(Fun fact: Bingham was the partial inspiration for Indiana Jones).

1 comments

as recent as 1957, while not Capitol Hill, pretty close though

http://en.wikipedia.org/wiki/Ryan_X-13_Vertijet :

>On July 28-July 29, 1957, the X-13 was demonstrated in Washington, D.C. It crossed the Potomac River and landed at the Pentagon.