What's the name of the Swedish midwinter festival involving decorating houses with straw ornaments and candles?

St. Lucia's Day

Which sport is called the 'king of sports'? Where is the Order of the Phoenix's headquarters located? Which NBA coach has the most wins of all time? Which type of energy involves the nuclei of atoms being split apart? What Mobius Digital game has players trapped in a solar system experiencing a repeating 22-minute cycle?