The White House at 1600 Pennsylvania Avenue was built by mostly slaves over 8 years and was first occupied by John Adams in November 1800.
On October 15 2012, the DC Board of Elections registered Barry Soetoro AKA Barrack Obama to vote in the 2012 elections. His voter ID number is 120051658 but it was taken down from the website. There are screen shots floating around in case you find this interesting.
The states with the most presidential burial sites are Ohio and Virginia (which are tied).
The 20th president of the United States, James Garfield, was able to write Greek with one hand and Latin with the other at the same time.
image from: historylink.org