Many doctors believe this decline in hormone levels triggers the symptoms of PMS. Changes in brain chemicals or deficiencies in certain vitamins and minerals may also play a role. Too many salty foods, alcohol, or caffeine may make symptoms worse as well.
There have been countless flights made since the invention of the airplane by the Wright Brothers in 1903. It should come as no surprise that the first commercial flight in history occurred in the United States. In fact, it occurred on January 1, 1914, three years before the United States entered the first World War.
Wright Brothers. Aviation was really born on the sand dunes at Kitty Hawk, N.C., on Dec. 17, 1903. On that day Orville Wright crawled between the wings of the plane he and his brother Wilbur had built, opened the throttle of their homemade 12-horsepower engine, and took to the air. He covered 120 feet in 12 seconds. In a fourth attempt that day, Wilbur stayed up 59 seconds and covered 852 feet. These were the first controlled, sustained flights in a power-driven airplane. More on the Wright Brothers and the early days of flight. Charles Lindbergh. Lindbergh made the world's first nonstop solo flight across the Atlantic. Early on May 20, 1927, he took off in The Spirit of St. Louis, traveling 3,610 miles from Long Island, N.Y., to Paris, France.