The second Choshu Conquest is also known as the second Bakucho War (Bakufu-Choshu War), or if it is viewed from the Choshu side, it is called Shikyo War (Four Borders War), as the bakufu army attacked Choshu from four directions.
第二次の長州征討は第二次幕長戦争とも、また幕府軍が4方から攻めたため、長州側では四境戦争と呼ばれる。