who laid the cornerstone of the capital of our country?

Question

what does this men and who is it??
please help me out! thanx guys =D!!

Answer 1

A cornerstone is the block that is used to start a building. It is a symbolic thing when a building is first begun.

The cornerstone was laid September 18, 1793.
George Washington, President at the time, led the ceremony.

Here is an article on the Capitol:
http://www.cr.nps.gov/nr/travel/wash/dc76.htm