Celebrations in Germany

One celebration in Germany is Oktoberfest.
WHAT: Oktoberfest is a fair held in Germany that is one of the largest fairs in the world, and over 6 million people attend the fair each year!
WHO: The people who celebrate this is almost everyone that lives in Germany since the celebration has been around since 1810.
WHERE: It is in historic fairgrounds in the middle of the Bavarian capital
WHEN: the last week of September till the last week of October.