Bethmann-Hollweg. 1856-1921. German Chancellor, 1909-17. Tried to mediate before WWI. Overthrown by Hindenburg and Ludendorf.

Hindenburg. German zeppelin, explodes 1937 in New Jersey, kills 36.

Hindenburg, Paul von. 1847-1934. Commander in Chief of the German armies 1916-18. President of Weimar Republic 1925-. Appointed Hitler chancellor 1933.

Hindenburg Line. 1917. German army’s Western Front. Breached 1918.

Siegfried Line. 1937-40 German fortifications on western frontier = West Wall. Also, part of Hindenburg Line.

Zeppelin, Ferdinand von. 1838-1917. German constructor of dirigibles 1900-. 1928 Graf Zeppelin around world. Transatlantic service 1928-37. Hindenburg.