Complex sentence: After marrying a U.S. Army non-commissioned officer in 1950, Katsura emigrated with him to the United States in 1951, where she was invited to play in the 1952 U.S.-sponsored World Three-Cushion Championship, ultimately taking seventh place at that competition.
Split into simpler sentences: After marrying a U.S. Army non-commissioned officer in 1950, Katsura emigrated with him to the United States in 1951. There she was invited to play in the 1952 U.S.-sponsored World Three-Cushion Championship, ultimately taking seventh place at that competition.