Complex sentence: On 30 August 1918, around nine o’clock Kannegisser, wearing a leather jacket and an officers cap, turned up at the People's Commissariat of Internal Affairs, left his bicycle by the door and entered the building.
Split into simpler sentences: On 30 August 1918 around nine o’clock Kannegisser, wearing a leather jacket and an officer's cap, turned up at the People's Commissariat of Internal Affairs. He left his bicycle by the door and entered the building.