Kapp Putsch was a right-wing rebellion led by Wolfgang Kapp
the Kapp Putsch was in March 1920 when Kapp gathered 5000 men in Berlin in ana attempt to overthrow the government. This worked and Ebert and the rest of the Reichstag fled Berlin
However, due to having no support from the workers, after only 100 hours Wolfgang Kapp fled Berlin and Ebert and his Government returned