Summary The Wright brothers' achievement in 1903 marked the world's first motorized controlled flight. John Alcock and Arthur Brown's transatlantic flight in 1919 made history as the first non-stop flight from North America to Europe. The September 11, 2001, terrorist attacks profoundly impacted air travel, leading to increased security measures and changing the course of history. In this article, we will discuss five dates that have significantly impacted the history of aviation. We will start with Wilber and Orville Wright's first flight in 1903 and add four more dates that have been milestones over the last 120 years. 1 First...