It started as a concept brought forward by the 1st Baltimore George Calvert and was given to King Charles I to establish a new world Colony of Englands unwanted Catholic minority. In 1632, Calvert died and five weeks later the Charter for Maryland was granted to his son Cecil Calvert the 2nd Lord Baltimore.
Ships, supplies and colonists sailed to the New World in 1933 under the leadership of Governor Leonard Calvert.
By sailing via Barbados and Jamestown they arrived in Maryland on the 25th of March 1634....
Hope that helped