Home Site Map January February March April May June July August September October November December 2 September 1751 Gregorian Calendar taken up in Britain resulting in 11 days lost from the old Julian calendar. 1st Monday after 4 September The Abbots Bromley Horn Dance Staffordshire. One of the oldest folk festivals in Britain, The dance involves 6 horn dancers equipped with reindeer horns painted white and brown, a Maid Marion, a boy armed with a bow and a hobby horse. The dancers make a 20-mile tour of the parish. The actual dance follows a snake like pattern, as the dancers intertwine with each other. 29 September Michael Mass, St Michael's Day One of the quarter days, and a celebration of the Archangel Michael.