Complex sentence: In 1946 Arden moved to Paris and returned to Argentina in 1955 for a total of one year, and in 1956 he moved indefinitely to Paris where he died.
Split into simpler sentences: In 1946 Arden moved to Paris and returned to Argentina during the 1950s. During the mid 1940s he moved to Paris, returned to Argentina in 1955 for a total of one year and in 1956 he moved indefinitely to Paris where he died.