Keywords: Naval Jack of Siam (1881-1917).svg Naval Jack of Siam 1881-1917 a blue flag with a white elephant in regalia granted by King Rama V King Chulalongkorn Its name is Thong Ketu th ธง กตุ and change to Thong Chan th ธงฉาน in 1887 self-made based on an information from http //www navy mi th/navalmuseum/002_history/html/his_b12_flat_thai htm Royal Thai Navy thai language Image Flag of Thailand 1855 svg and Image Naval Ensign of Thailand svg 2008-02-12 Xiengyod Sodacan Inkscape Blue and white flags Elephants in Thai heraldry Flags with elephants Naval jacks of Thailand SVG flags - historical of Thailand SVG flags - naval of Thailand White elephants |