Simplify the following text for a Grade 9 native English-speaking person.
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 .