Goebbels' tactic of using provocation to bring attention to the NSDAP, along with violence at the public party meetings and demonstrations, led the Berlin police to ban the NSDAP from the city on 5 May 1927.
The 1927 Gulang earthquake occurred at 6:32 a.m. on 22 May (22:32 UTC on 21 May). This 7.6 magnitude event had an epicenter near Gulang, Gansu in the Republic of China. There were more than 40,900 casualties.