Complex sentence: He died on December 28,1969, in Spain, from pneumonia, in a hospital after being severely injured in a car accident, a fate similar to Rubirosa's, 11 days earlier in the outskirts of Madrid.
Split into simpler sentences: He died on December 28,1969, in Spain, from pneumonia, while in a hospital after being severely injured in a car accident. A fate similar to Rubirosa's, 11 days earlier in the outskirts of Madrid.