The Siege of Apia, or the Battle of Apia, occurred during the Second Samoan Civil War in March 1899 at Apia. Samoan forces loyal to Prince Tanu were besieged by a larger force of Samoan rebels loyal to Mata'afa Iosefo. Supporting Prince Tanu were landing parties from four British and American warships. Over the course of several days of fighting, the Samoan rebels were defeated.