Anniversary (noun)

  1. A date on which an event took place in a previous year, typically one that is remembered and celebrated or marked by a ceremony.
  2. The completion of a year's period of time.

Origin:

From the latin word "annus" meaning "year" and "versus" meaning "to turn".

Examples:

  1. Today is our wedding anniversary.
  2. The company is celebrating its 50th anniversary.
  3. The anniversary of his death was coming up.
  4. They were planning a surprise party for their anniversary.
  5. The anniversary of the 9/11 attacks is a somber reminder of the tragedy.
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