The Sarum Rite is an ancient English Rite (Mass and Divine Office) used in the 12th century.
3/7/2020 update: The Fraternity of St. Peter posted an article on the Sarum Rite and this special occasion.
500 Years Young: Sarum Rite
https://fssp.com/500-years-young/
Also posted in a video of the event:
3/7/2020 update: The Fraternity of St. Peter posted an article on the Sarum Rite and this special occasion.
500 Years Young: Sarum Rite
https://fssp.com/500-years-young/
Also posted in a video of the event: