The Nobubaga Oda and His Son Nobutada Oda killed by Akechi Mitsuhide 1582 OTL, TTL Nobunaga Oda and Son Nobutada survived escaped Akechi Mitsuhide Failed, Nobunaga Oda Unification Succeeded 1584 and become Shogun lived until 1637 and replaced son Nobutada Oda. Would Atomic Bomb Hiroshima and...