“Happy Birthday, dear Heidelberg. Happy Birthday to Yooooouuuuuu.”

The 450th Anniversary of the Heidelberg Catechism is this year.  First anniversaries are celebrated as the “paper” anniversary.  Fiftieth anniversaries are “Golden Anniversaries.”  Any guesses as to what the 450th Anniversary is called? 

Classis Toronto would like for this to be celebrated or acknowledged and I, for one, rarely need to be persuaded to throw a party.  So, what does one get for a Catechism? And how much hoopla does 450 years require? (Any and all crazy theme-party suggestions will be accepted!)