The cornerstone was laid for a presidential residence in the
newly designated capital city of Washington, D.C. In 1800,
President John Adams became the first president to reside
in the executive mansion, which soon became known as the
“White House” because its white-gray Virginia freestone
contrasted strikingly with the red brick of nearby buildings.

John Adams (October 30, 1735 – July 4, 1826)