Armed Forces Day, also known as Remembrance Day, It was formerly celebrated on 11 November of every year to coincide with the Remembrance Day (Poppy Day) for the World War II veterans in the British Commonwealth of Nations. But it was changed to 15 January in Nigeria in commemoration of the surrender of Biafran troops to the Federal troops on 15 January 1970, thus concluding the Nigerian Civil War that sought to tear apart the unity of Nigeria