Balloon (aeronautics) they are popular for balloonist sport activity. The first balloon which carried passengers used hot air to obtain buoyancy and was built by the brothers Josef and Etienne Montgolfier in Annonay, France in 1783: the first passenger flight was 19 September 1783, carrying a sheep, a duck, and a rooster. The first tethered manned balloon flight was by a larger Montgolfier balloon, probably on 15 October 1783. The first free balloon flight was by the same Montgolfier balloon on 21 November 1783. When heated, air expands, so a given volume of space contains less air. This makes it lighter and,
Hot air balloon kingdom, during the Three Kingdoms era (220–280 AD), used airborne lanterns for military signaling. These lanterns are known as Chinese lanterns (). In the 18th century the Portuguese Jesuit priest Bartolomeu de Gusmão envisioned an aerial apparatus called "Passarola" which was the predecessor of the hot air balloon. The purpose of "Passarola" was to serve as air vessel in order to facilitate communication and as a strategical device. In 1709 John V of Portugal decided to fund Bartolomeu de Gusmão's project following a petition made by the jesuit priest and an unmanned demonstration was performed at Casa da India in