Complex sentence: The Prussian forces entered the city on 29 May but abandoned it again later that day and Danish forces retook the city and placed a company of infantry and half a squadron of cavalry as a tentative defence.
Split into simpler sentences: The Prussian forces entered the city on 29 May but abandoned it again later that day and Danish forces entered the city again. The Danes placed a small force consisting a company of infantry and half a squadron of cavalry as a tentative defence.