What type of details about johannes grimminger can be gathered from the following bio? Bio: johannes grimminger -lrb- 6 june 1914 -- 16 april 1945 -rrb- was a highly decorated major in the wehrmacht during world war ii . he was also a recipient of the knight 's cross of the iron cross with oak leaves . the knight 's cross of the iron cross and its higher grade oak leaves was awarded to recognise extreme battlefield bravery or successful military leadership . johannes grimminger was killed on 16 april 1945 near forst .
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