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1.
A Germanic traditional celebration of a man's ten year wedding anniversary. His closest friends organize and outing or trip to salute his commitment to his wife and the institution of marriage. The opposite of a stag party, a Zehn Gehen is generally low key and cultural. Common in Germany, Austria as well as parts of Switzerland and Holland.

Similar to the American "Hamilton"
"Helmut has been hitched for zehn jahren. Lets plan on Bavaria for his Zehn Gehen!"
by STwomey February 17, 2012