October – The Wall Street crash of 1929 marks a major turning point in Germany: following prosperity under the government of the Weimar Republic, foreign investors withdraw their German interests, beginning the crumbling of the Republican government in favor of Nazism.[1] The number of unemployed reaches three million.[2]
German car company Opel is taken over by American company General Motors. General Motors assumed full control in 1931.
Date unknown – Clinical application of cardiac catheterization begins with German physician Werner Forssmann in 1929, who inserted a catheter into the vein of his own forearm, guided it fluoroscopically into his right atrium, and took an X-ray picture of it.
This page is based on this Wikipedia article Text is available under the CC BY-SA 4.0 license; additional terms may apply. Images, videos and audio are available under their respective licenses.