The Chaco War was the bloodiest military conflict in South America during the 20th century fought between two of South America's poorest countries Bolivia and Paraguay. Description from bleaseworld.blogspot.co.uk. I searched for this on bing.com/images
October 14-15, 1927: Dieudonne Costes and Joseph le Brix make the first non-stop aerial crossing of the South Atlantic, flying a Breguet 19 from Saint-Louis, Senegal to Port Natal in Brazil, as a part of their round-the-world 57,000 km trip.
July 9, 1933: Flying their Lockheed Sirius built 1929 and used for the 1931 survey flight of Alaska, the North Pacific and China, Charles Lindbergh and his wife begin a major route-proving tour of the North and South Atlantic. They complete their survey on December 6.