Complex sentence: The Colony of Victoria (today the State of Victoria, in Australia) purchased 6 guns in 1864 to equip its horse artillery; one of these is restored and displayed at the Australian War Memorial in Canberra.
Split into simpler sentences: The Colony of Victoria (today the State of Victoria, in Australia) purchased 6 guns in 1864 to equip its horse artillery. One of these is restored and displayed at the Australian War Memorial in Canberra.