May 27

Navy Day in Japan, known as Kaigun Kinenbi, commemorates the establishment of the Imperial Japanese Navy in 1868. It is celebrated on May 27 with ceremonies at naval bases and maritime museums across the country. The Japan Maritime Self-Defense Force hosts ship tours, equipment demonstrations, and public talks highlighting naval history. Flag-hoisting events and wreath-laying ceremonies honor sailors who have served. Exhibitions showcase naval technology and model ships for visitors of all ages. The day underscores Japan's maritime heritage and the importance of naval defense.