Complex sentence: Pedro's expeditionary force landed in Portugal in 1832 and was besieged for a year in Oporto, where in September Travassos Valdez was severely wounded at the defence of a redoubt at the Bonfim Church, from which he later took his title of nobility.
Split into simpler sentences: Pedro's expeditionary force landed in Portugal in 1832 and was besieged for a year in Oporto. In September Travassos Valdez was severely wounded at the defence of a redoubt at the Bonfim Church, from which he later took his title of nobility.