Held each June on the closest weekend to the longest day of the year (this year from 22 to 24 June), midsummer is Finland's most enthusiastic party -- an excuse for lakeshore bonfires, midnight airshows, drinking games, skinny dipping, saunas and all-you-can-eat banquets of grillimakkara (grilled sausages) served with mustard and the season's first new potatoes.
BBC: Finland's summer feast