I know, but there were several attempts on Hitler's life during the course of the war. The last bomb attempt was in 44. It almost got him. Afterwards, Hitler had 200 people executed because of it.
Not that Wikipedia is the sine qua non of unbiased info, but: http://en.wikipedia.org/wiki/July_20_Plot
I thought 5,000 went down in the von Stauffenberg plot...