1) DCL doubled 2) Lii x xxv 3) LXV x XX 4) Middle Ages century opener 5) Roman 1300 6) Start of 14th century 7) Start of the 14th century 8) Twice dcl 9) Year in the reign of edward i 10) Year when Dante was 35 Found on https://www.crosswordclues.com/clue/mccc