dxi Cato's 511 511, in Roman numerals VII x LXXIII Sixth-century death year of Clovis I Seven-fifths of CCCLXV Ovid's 511 LXXIII septupled 511, to Flavius Year of Clovis I's death Sixth-century year Sixth-century date Early sixth-century date 511, to Caesar 511, in old Rome Half of MXXIl Early sixth-century year