sentences:  In 1965 he became chair of the PPN polituro, and from 1971–72, first chair of the Nigerien Economic and Social Council (CESOC).A powerful figure, Courmo was one of a handful of Diori's inner circle during the period of one party rule.Courmo fell from power in 1972 when he acted in support of an abortive military coup, itself crushed almost immediately by the Nigerien Armed Forces.