Guests at Doorn often heard the former kaiser threaten vengeance against a wide variety of opponents.<ref>Röhl, p. 1221.</ref> When Finance Minister Matthias Erzberger was murdered in 1921, Wilhelm celebrated with champagne.<ref>Röhl, p. 1222.</ref> Erzberger had forced Bethmann's resignation as chancellor in 1917, thus ending the kaiser's political role. | Guests at Doorn often heard the former kaiser threaten vengeance against a wide variety of opponents.<ref>Röhl, p. 1221.</ref> When Finance Minister Matthias Erzberger was murdered in 1921, Wilhelm celebrated with champagne.<ref>Röhl, p. 1222.</ref> Erzberger had forced Bethmann's resignation as chancellor in 1917, thus ending the kaiser's political role. |