10th-century annum (4 letters)

{ Answer }

CMVI

{ Related Clues }

The year 906
Early 10th-century year
Year in the reign of Charles the Simple
Year in Sergius III's papacy

{ Tags }

10th, annum, century, charles, cmvi, early, iiis, papacy, reign, sergius, simple, year, 906

{ Notes }

The answer CMVI is rarely seen, appearing only about once every 2900 puzzles.