Complex sentence: In 1904 he graduated from the Cavalry School in Saumur, France, and served as military attaché, Caracas, Venezuela, 1904-05, Buenos Aires, Argentina, 1905-06, and Cuba in 1906-08.
Split into simpler sentences: In 1904 he graduated from the Cavalry School in Saumur, France. He served as military attaché, Caracas, Venezuela, 1904-05, Buenos Aires, Argentina, 1905-06, and Cuba in 1906-08.