Complex sentence: Since 1929 the urn has returned to Australia only twice-once when it was brought to Sydney for the Bicentenary Test Match in 1988 and secondly in 2006 for the tour of the Ashes Exhibition to each state capital of Australia.
Split into simpler sentences: Since 1929 the urn has returned to Australia only twice. Once when it was brought to Sydney for the Bicentenary Test Match in 1988 and secondly in 2006 for the tour of the Ashes Exhibition to each state capital of Australia.