Battle of Pichincha Day in Ecuador
Battle of Pichincha Day in Ecuador is held on May 24. This event in the third decade of the month may is annual.
Navy Day in Chile on May 21 (es. Día de las Glorias Navales);
Victory Day of the Battle of Sardarapat in Armenia on May 26 (the battle of the First World War, which took place on May 21-24, 1918 between the Armenian military units and the Turkish troops invading Eastern Armenia);
Navy Anniversary Day in Japan on May 27 (海軍記念日, Kaigun Kinen'bi. It was in commemoration of the Battle of Tsushima - May 27–29, 1905);