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in 1947First flight of the B-45 Tornado strategic bomber.
The North American B-45 Tornado was the United States Air Force's first operational jet bomber, and the first jet aircraft to be refueled in the air. The B-45 was an important part of the United States's nuclear deterrent for several years in the early 1950s, but was rapidly succeeded by the Boeing B-47 Stratojet. B-45s and RB-45s served in the United States Air Force's Strategic Air Command from 1950 until 1959.
, first flight
, strategic bomber
in 1958The United States launches the Vanguard 1 satellite.
Vanguard 1 was the fourth artificial Earth satellite launched and the first satellite to be solar powered. Although communication with it was lost in 1964, it remains the oldest manmade satellite still in orbit. It was designed to test the launch capabilities of a three-stage launch vehicle as a part of Project Vanguard, and the effects of the environment on a satellite and its systems in Earth orbit. It also was used to obtain geodetic measurements through orbit analysis.
Mount Agung erupted on Bali.
Mount Agung or Gunung Agung is a mountain in Bali, Indonesia. This stratovolcano is the highest point on the island. It dominates the surrounding area influencing the climate. The clouds come from the west and Agung takes their water so that the west is lush and green and the east dry and barren. On March 17, the volcano erupted (VEI 5), sending debris 8–10 km into the air and generating massive pyroclastic flows. These flows devastated numerous villages, killing approximately 1500 people. Cold lahars caused by heavy rainfall after the eruption killed an additional 200. A second eruption on flows which killed another 200 inhabitants.
François Girardon was a French sculptor. He was born at Troyes. As a boy he had for master a joiner and wood-carver of his native town, named Baudesson, under whom he is said to have worked at the chateau of Liebault, where he attracted the notice of Chancellor Séguier. By the chancellor's influence Girardon was first removed to Paris and placed in the studio of François Anguier, and afterwards sent to Rome.
Gottlieb Daimler was an engineer, industrial designer and industrialist born in Schorndorf (Kingdom of Württemberg, a federal state of the German Confederation), in what is now Germany. He was a pioneer of internal-combustion engines and automobile development. He invented the high-speed petrol engine and the first four-wheel automobile.
Jean-Baptiste Rousseau was a French poet.
Daniel Bernoulli was a Dutch-Swiss mathematician and was one of the many prominent mathematicians in the Bernoulli family. He is particularly remembered for his applications of mathematics to mechanics, especially fluid mechanics, and for his pioneering work in probability and statistics. Bernoulli's work is still studied at length by many schools of science throughout the world.
Christian Andreas Doppler was an Austrian mathematician and physicist.