 This was discovered in preparation for the centennial celebration in 1889, at which point rather than correct the annual, the date of Georgetown's foundation was fixed to the date January 23, 1789.On November 22, 1633 Jesuits Andrew White, John Altham Gravenor, and Thomas Gervase set sail on "The Ark" for British North America under the leadership and financing of the Lord Baltimore, Leonard Calvert.Their landing on March 25, 1634 on St. Clement's Island marks the birth of the Maryland colony, this anniversary now celebrated as Maryland Day.