Complex sentence: Campbell's birth in 1899 was just shortly before the Commonwealth of Australia became independent; and at his death, the nation honored him with a Commonwealth-sponsored state funeral at Saint David's Anglican Cathedral in Hobart on 24 May 2002.
Split into simpler sentences: Campbell's birth in 1899 was just shortly before the Commonwealth of Australia came into being. At his death, the nation honoured him with a Commonwealth-sponsored state funeral at Saint David's Anglican Cathedral in Hobart on 24 May 2002.