Complex sentence: In 1946 Charles Vyner Brooke, the successor of Charles Anthoni Brooke ceded his rights to the British Empire since 1963 the British colony of Sarawak became part of Malaysia.
Split into simpler sentences: In 1946 Charles Vyner Brooke, the successor of Charles Anthoni Brooke ceded his rights to the British Empire. Since 1963 the British colony of Sarawak became part of the states of Malaysia.