Complex sentence: He was also a member of the First Fleet expedition of 11 ships which founded the Australian Colony of New South Wales in 1788, and a participant 20 years later in the Rum Rebellion, which deposed the colony's legally-appointed governor, William Bligh.
Split into simpler sentences: He was also a member of the First Fleet expedition of 11 ships which founded the Australian Colony of New South Wales in 1788. Twenty years later, he participated in the Rum Rebellion, which deposed the colony's legally-appointed governor, William Bligh.