Original: The first blow occurred in May 1932, when Schleicher had Hindenburg dismiss Groener as Defense Minister in a way that was designed to humiliate both Groener and BrÃ 1\/4 ning.
Simplified: In May 1932 Schleicher had Hindenburg sack Groener as Defense Minister to humiliate both Groener and BrÃ 1\/4 ning.