Joseph-Michel Montgolfier (26 August 1740 – 26 June 1810) and Jacques-Étienne Montgolfier (6 January 1745 – 2 August 1799) were the inventors of a type of hot air balloon. The first manned attempt of flying in a hot air balloon was on 21st November. The balloon was launched from the centre of Paris and flew for a period of 20 minutes. The birth of hot air ballooning was on that date.