Passage: St. Michael's Church was heavily damaged in an air raid during World War II on 22 March 1945, but reconstruction was begun in 1950 and completed in 1957. In 1985, the church became a UNESCO World Cultural Heritage site, along with the Cathedral of Hildesheim, its collection of medieval treasures and its 1000-year-old rosebush.

Question: What war resulted in the damage to St. Michael's Church?
World War II