Answer: mcm

AnswerCrossword Clue
MCM

Turn of a century

MCM

Year in Leo XIII's reign

MCM

1900

MCM
CIX years ago
MCM
Turn-of-the-century year
MCMEnd of the 19th century
MCMYear of the Paris Olympic Games
MCMCentury-ending year
MCMYear McKinley was reelected
MCMCXVI years ago
MCMCI years ago
MCM1,900, to Nero
MCMIt wasn't a CCCLXVI-day year
MCMWhen the Boxers rebelled
MCMParis Olympics year
MCML x XXXVIII
MCM380% of D
MCMLXXVI x XXV
MCM1900.
MCMNext to last year of Victoria's reign.
MCMA year in McKinley's Presidency
MCM1900, on a cornerstone
MCMYear of the first Davis Cup matches
MCMYear McKinley was elected to a second term
MCMYear "The Wonderful Wizard of Oz" came out
MCMYear "Tosca" premiered
MCMLast year of the XIXth century
MCMOvid's 1,900
MCMMcKinley reelection year
MCMYear the Paris Metro opened