sentences:  The second most important festivity in the Swedish calendar, or perhaps for many the most important, is Midsummer, "midsommar".Midsummer's Eve is celebrated on the eve of the Friday between the 20 and 26 June.Most Swedes try upon this day to get to a place in the countryside where they can eat pickled herring, boiled potatoes and sour cream as well as strawberries and brännvin.