Feb–Jun 1904Japan overrunsKorea
Apr 1904Entente Cordialebetween Britainand France
Jun–Jul 1904Japanese irregularsland in Kamchatka
Jul 1904–Jan 1905Japan capturesPort Arthur
May 1905Japan defeatsRussian Baltic Fleet
Jul 1905Japan occupiesSakhalin
Aug 1905Japanese raid Petropavlovsk& Commander Islands