List of mid-air collisions and incidents in the United Kingdom
A number of mid-air collisions and incidents have taken place in the United Kingdom. == 1910s == 1914 12 May 1914 two Royal Flying Corps Sopwith Three-seaters collided at Aldershot, two killed.
Source: Wikipedia — List of mid-air collisions and incidents in the United Kingdom (CC BY-SA 4.0)