Complex sentence: He led the Nationalist Party delegations in June and September 1955 for the Malta Round Table Conference and in November 1958 he led the Party delegation for talks in London about the restoration of self-government.
Split into simpler sentences: He led the Nationalist Party delegations in June and September 1955 for the Malta Round Table Conference. In November 1958 he led the Party delegation for talks in London about the restoration of self-government.