Complex sentence: After a nine season baseball hiatus during World War II, baseball returned to Davenport in 1946, when the Davenport Cubs rejoined the Three-I League as the Class B affiliate of the Chicago Cubs.
Split into simpler sentences: After a nine season baseball hiatus during World War II, baseball returned in 1946. The Davenport Cubs rejoined the Three-I League as the Class B affiliate of the Chicago Cubs.