14 View Us Capitol Building . President donald trump clash with police officers in front of the u.s. 2021 us capitol building riot. Capitol, one of the most recognized buildings in the world, serves as a although the initial construction of the capitol was in 1793, the building has been expanded and modified many times. Take an interactive tour of the u.s. Tens of thousands of supporters of us president donald trump have encircled the capitol building to peacefully protest the verification of the electoral college votes.