Complex sentence: On 22 September 1914, Tabloids mounted the first raid by British aircraft on German soil, and in their most famous mission two RNAS Tabloids flying from Antwerp on 8 October 1914 attacked the German Zeppelin sheds at Cologne and Düsseldorf.
Split into simpler sentences: On 22 September 1914, Tabloids mounted the first raid by British aircraft on German soil. In their most famous mission, two RNAS Tabloids flying from Antwerp on 8 October 1914, raided the German Zeppelin sheds at Cologne and Düsseldorf.