Complex sentence: It is said that the first enemy soldier to enter the castle was on April 8,1945 during World War II. American Col. Vennard Wilson was served tea, noted the contents of the castle and ordered it off limits to troops.
Split into simpler sentences: It is said that the first enemy soldier to enter the castle during World War II did so on April 8,1945. The American Col. Vennard Wilson was served tea, noted the contents of the castle and ordered it off limits to troops.