英语翻译
one of the most important events in hitory happened on december 17,1903,at a place called kitty hawk in north carolina,usa.it was the first flight of a powered aircraft.only five people witnessed the event but,luckily,one of the took a photopraph.
people had flown for very short periods before,using wings of different kinds.in 1678 a frenchman built a glider and flew it over a small building.about 200 yearsbefore that,leonardo da binci designed a flying machine that was never buit.