There is no special day. But many German cities got annual festivals where wine or beer (depends on the region) is celebrate.
Every day :-) Offically there is a "Tag des Bieres" (Day of beer) on April 23rd. But it's not celebrated in a special way.
german
what country celebrates Groundhog's Day? what country celebrates Groundhog's Day?
German who started brewing beer in Dunedin in 1857
Bier
A beer hall is a large German public house which specializes in beer.
Republika Srpska celebrates Independence Day and Republic Day on the same day.
The traditional German beer girl outfit is called a dirndl.
Smoked beer, which is often used in a German beer festival.
Beer
A german beer
beer