An anniversary is a special day that marks the yearly celebration of an important event, such as a marriage or the founding of an organization. Full definition
The announcement comes as part of the company's celebration of first anniversary of its operations in the Indian market. (techpp.com)
You certainly can't go wrong if you do, because this year's is the best yet, making a spectacle of the 25th year anniversary of the series. (playstationlifestyle.net)
«I am among those few people still alive who personally took part in that event, the 50th anniversary of which we'll celebrate this year,» he says. (discovermagazine.com)