Crossword clue: the 100th anniversary (or the celebration of it)
2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
of or relating to or completing a period of 100 years
the 100th anniversary (or the celebration of it)
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the 300th anniversary (or the celebration of it)
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