Reign of Mary I

N.B. The throne was briefly occupied in July 1553 by Lady Jane Grey, but Mary's reign officially began on 6 July.
After her marriage to Philip of Spain in July 1554, his regnal year was also given in documents, but Mary's alone is sufficient for dating purposes.
Regnal yearEaster Sunday 
1 Mary I
6 July 1553
-5 July 1554		 25 March 1554  July August September October November December January February March April May June July
2 Mary I
6 July 1554
-5 July 1555		 14 April 1555  July August September October November December January February March April May June July
3 Mary I
6 July 1555
-5 July 1556		 5 April 1556  July August September October November December January February March April May June July
4 Mary I
6 July 1556
-5 July 1557		 18 April 1557  July August September October November December January February March April May June July
5 Mary I
6 July 1557
-5 July 1558		 10 April 1558  July August September October November December January February March April May June July
6 Mary I
6 July 1558
-17 November 1558		   July August September October November