I forgot about that one. Still, that's not much for 250 years.

There was also a guy shot.... not on the floor but in the halls of Congress... his blood still stains the stairs lol 

https://history.house.gov/Historical-Highlights/1851-1900/The-death-of-Congressman-William-Taulbee-on-the-steps-of-the-U-S--Capitol/#:~:text=%E2%80%9CFor%20the%20first%20time%20in,died%20on%20March%2011%2C%201890.

Cje95

For some reason our Congress has always been pretty tame by international standards. There was basically that one cane attack two centuries ago and nothing else of particular interest.