Simplify the following text for a Grade 5 native English-speaking person.
Original: RÃ hm 's resignation from the Reichswehr was accepted in November 1923 during his remand at Stadelheim prison . As a result of the failed Beer Hall Putsch on 9 November 1923 , RÃ hm , Hitler , General Erich Ludendorff , Lt-Colonel Kriebel and six others were brought to trial in February 1924 on charges of treason .
Simplified: RÃ hm took a part in the Beer Hall Putsch in 1923 .