Complex sentence: At first appearing once a week, then starting 1 October 1929 twice a week, after 1 November 1930, "Der Angriff" became a daily newspaper with the subtitle "The German Evening Paper in Berlin".
Split into simpler sentences: At first appearing once a week, then starting 1 October 1929 twice a week. Then after 1 November 1930, "Der Angriff" became a daily newspaper with the subtitle "The German Evening Paper in Berlin".