Question: In what year was the US naval gun designed for the battleships to help Argentina counter Brazil's two "Minas Geraes"- class battleships?

Related documents: [0]  [DOC] The 12"/50 caliber "Bethlehem" gun was a US naval gun designed in 1910 as the main armament for the Argentine Navy’s dreadnought battleships of the "Rivadavia" class . [END] 
[1]  [DOC] The "Rivadavia" class consisted of two battleships designed by the American Fore River Shipbuilding Company for the Argentine Navy. Named "Rivadavia" and "Moreno" after important figures in Argentine history, they were Argentina's entry in the South American dreadnought race and a counter to Brazil's two "Minas Geraes"-class battleship s. [END]  
Answer: 1910
1910