関連ワード:  what is the turning point in history    what is the biggest turning point in history    what is the turning point in world history    what is the most turning point in history    what is the most important turning point in history    what is the meaning of turning point in history    what was the turning point in history of female education    what is a turning point in history examples    what is the greatest turning point in world history    what event is the greatest turning point in history