HMS Agincourt (1913)

The Royal Navy Dreadnought battleship HMS Agincourt with her 7 × twin BL 12-inch Mk XIII guns at anchor in Portsmouth Harbour circa 1914. was originally built to be the Brazilian Navy Rio de Janeiro but was sold whilst under construction to the Ottoman Empire as the Sultan Osman I but on the outbreak of the First World War the British government seized her for use by the Royal Navy, together with another Ottoman dreadnought being constructed in Britain. This act caused resentment in the Ottoman Empire, as the payments for both ships were complete, and contributed to the decision of the Ottoman government to join the Central Powers. (Photo by Hulton Archive/Getty Images)