Complex sentence: Captain Waddell presided over the last official lowering of the Confederate flagwhen he surrendered the CSS "Shenandoah" to Captain Paynter of on November 6,1865 in mid-river on the River Mersey at Liverpool.
Split into simpler sentences: Captain Waddell presided over the last official lowering of the Confederate flag. The CSS "Shenandoah" was surrendered by Captain Waddell to Captain Paynter of on November 6,1865 in mid-river on the River Mersey at Liverpool.