In February 1994, Bishop Clarence Kelly purchased 55 acres of land in Round Top, New York. Two years later, on April 1, he acquired an additional 6 acres on which 7 small cabins were located.
Summer 1996
The cabins were remodeled and made into a chapel, dining room, classroom, and living quarters. Immaculate Heart Seminary officially opened on October 15, 1996.
July 1997
The foundation for the new chapel building was laid.
August 1997
The first two postulants received the cassock.
July 1999 – August 2000
First Tonsure, Minor Orders, Subdiaconate, and Diaconate were conferred for the first time on a member of the Congregation.
March 2000
The chapel was completed in the spring of 2000.
March 20, 2000
Father Baumberger offered the first Mass in the new chapel.
April 18, 2001
Reverend Mr. Joseph Santay was the first member ordained to the holy priesthood.
December 21, 2001
Bishop Clarence Kelly appointed Father Paul Baumberger Assistant Spiritual Father.
September 2004
Construction on the dormitory began.
February 28, 2007
Father Joseph Santay was consecrated as the first bishop of the Congregation of St. Pius V.
September 12, 2007
Living quarters for the priests and seminarians were moved from the cabins to the new dormitory.
August 10, 2008
The Congregation opened its first mission in Starke, Florida. Subsequently, the Congregation opened missions in Louisville, Kentucky (2008), and Idaho Falls, Idaho (2014).
August 22, 2014
The first brother of the Congregation professed his perpetual vows.
April 27, 2016
Father James Carroll was appointed the first Superior General of the Congregation by Bishop Clarence Kelly. Father James Curatolo and Father Benjamin Selway were appointed the first General Councilors.
December 27, 2018
Father James Carroll was consecrated as the second bishop of the Congregation of St. Pius V.
September 2020
The Congregation founded its first mission house at Oyster Bay, New York. Two priests and a brother were assigned there.