What does the word anniversary mean?
An anniversary is the date on which an event took place or an institution was founded. Common types include birthdays, wedding anniversaries, death anniversaries, and national days.
Short answers, pulled from the story.
An anniversary is the date on which an event took place or an institution was founded. Common types include birthdays, wedding anniversaries, death anniversaries, and national days.
A national anniversary is usually called a national day, typically tied to a country's date of independence or its adoption of a new constitution or form of government.
A 50 year anniversary was once marked simply as a jubilee, the same term used for the important dates in a sitting monarch's reign. The related term Diamond, used for a 60 year anniversary, was popularized by the Diamond Jubilee of Queen Victoria.
Quadranscentennial, also called Quinvigintennial, is the Latin-derived term for a 25 year anniversary, traditionally associated with silver.
Robert L. Chapman, an editor at Funk and Wagnalls, coined the term Quasquicentennial for a 125 year anniversary in 1961.
A 12 year anniversary is called Parsley in Northern Germany and the Netherlands, a humorous mock wedding anniversary name chosen because it falls halfway to the 25 year silver anniversary.