1) CCX x V + I 2) CDXLII + DCIX 3) Date in the 11th century 4) Date in time of William I 5) DXXV + DXXVI 6) Eleventh-century date 7) Fifteen years before Hastings 8) Half of mmcii 9) II x DXXV + I 10) II^X + XXVII 11) IX minutes to XI 12) Letters for 1051 13) Mid 11th-century date 14) Mid 11th-century year Found on https://www.crosswordclues.com/clue/mli