The First World War

The first time that militarycraft are used in direct combat is in august 19 14, when a serbian pilot bombs a austro hungarian forces am in the balkans. The troublis an amazing aeroplane. It's this first thing, we need to copy what birds do. And it really isn't tem long before everybody is looking at a way of using balloons or kites, or the first aeroplanes. When did fix wing aircraft start first start being used?