<human>:  When did the Wright brothers make their first powered flight?
<bot>: The Wright brothers made their first powered flight in 1903. They flew a plane called the Wright Flyer. The plane was powered by a system of two propellers, one on each side of the plane. The Wright Flyer was able to stay in the air for a total of 12 seconds. The plane had a wingspan of 12 feet and weighed around 600 pounds. The Wright brothers were the first to successfully build and fly an airplane.