Complex sentence: On 4--8 May 1945, most of the remaining German armed forces surrendered unconditionally and the German Instrument of Surrender was signed 8 May, marking the end of the Nazi regime and the end of World War II in Europe.
Split into simpler sentences: On 4--8 May 1945, most of the remaining German armed forces surrendered unconditionally. The German Instrument of Surrender was signed 8 May, marking the end of the Nazi regime and the end of World War II in Europe.