Complex sentence: Nauendorf retired at the end of the 1800 campaign, due to reasons of health and he died in Troppau, Austrian Silesia (today Opava, in the Czech Republic), 30 December 1801.
Split into simpler sentences: Nauendorf retired at the end of the 1800 campaign, due to poor health. He died in Troppau, Austrian Silesia (today Opava, in the Czech Republic), 30 December 1801.