Complex sentence: He had not forgiven Beasley and did not want him in the Cabinet, so in 1946 Beasley was appointed High Commissioner in London, where he stayed until his sudden death in September 1949 on a visit to Sydney at St Vincent's Hospital, Darlinghurst.
Split into simpler sentences: He had not forgiven Beasley and did not want him in the Cabinet, so in 1946 Beasley was appointed High Commissioner in London. He served as High Commissioner until his sudden death in September 1949 on a visit to Sydney at St Vincent's Hospital, Darlinghurst.