Which battle lasted longer, the Battle of Guam, or the Battle of Saipan?
Battle of Guam (1944) The Second Battle of Guam (21 July – 10 August 1944) was the American recapture of the Japanese-held island of Guam, a U.S. territory in the Mariana Islands captured by the Japanese from the U.S. in the 1941 First Battle of Guam during the Pacific campaign of World War II.
Four Days' Battle The Four Days' Battle was a naval battle of the Second Anglo–Dutch War. Fought from 1 June to 4 June 1666 in the Julian or Old Style calendar then used in England (11 June to 14 June New Style) off the Flemish and English coast, it remains one of the longest naval engagements in history.