On the 13th October 1792 the cornerstone of the White House, which at the time was to be known as the United States Executive Mansion, was laid.
9th August 1173: Construction begins on the Leaning Tower of Pisa
9th August 2019
On the 13th October 1792 the cornerstone of the White House, which at the time was to be known as the United States Executive Mansion, was laid.