noun
Shimonoseki campaign; Shimonoseki bombardment
Historical term for the 1863–1864 military actions by Western powers against the Chōshū domain at Shimonoseki (then called 馬関).
馬関戦争は、長州藩と欧米列強との間で起きた武力衝突である。
The Shimonoseki campaign was an armed conflict between the Chōshū domain and Western powers.
Alternative name for the same event, using the modern city name 下関 instead of the old name 馬関.
From 馬関 (Bakan, old name for Shimonoseki) + 戦争 (war). The name reflects the historical place name at the time of the conflict.