sentences:  The flag with the "Hakenkreuz" and white disc centered was used throughout (1920–1945) as the NSDAP party flag ().Between 1933 and 1935, it was used as the national flag () and merchant flag () – interchangeably with the black-white-red horizontal tricolour last used (up to 1918) by the German Empire.In 1935, the black-white-red horizontal tricolour was scrapped again, and the flag with the "off-center" "Hakenkreuz" and disc was instituted as the only national flag (and was to remain as such until 1945).