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"In Germany it is called Vatertag (Father’s Day) but is also sometimes known as Männertag (or men’s day).

A group of German fathers going crazy Credit: Alamy
"In certain regions it is traditional for groups of men to go into the woods with a wagon of beer, wines and meats. Heavy drinking is common and, according to official statistics, traffic-related accidents spike on this day."
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It sounds familiar in some ways. No?