in Swedish tradition Mid-sommar is a time for great celebration.
http://en.wikipedia.org/wiki/Midsummer#Sweden
http://www.sweden.se/eng/Home/Lifestyle/Traditions/Reading/Midsummer/

i did dance around a "may-pole" with friends..
enough aquavit (schnaps) and anyone can do it!
http://en.wikipedia.org/wiki/Akvavit
http://www.aquavit.com/essence_summer.html