1720 - Birth of Charles Bonnet, Swiss naturalist and writer
1733 - Birth of Joseph Priestley, English scientist and minister
1781 - William Herschel discovers Uranus.
1781 - Charles Messier publishes final catalog of Messier objects.
1781 - Carl Wilhelm Scheele discovers tungsten.
1609 - Galileo Galilei demonstrates his first telescope to Venetian lawmakers.
1894 - Shibasaburo Kitasato discovers the infectious agent of the bubonic plague and publishes his findings in The Lancet.
1981 - Voyager 2 spacecraft makes its closest approach to Saturn
1989 - Voyager 2…
2004 - Announcement of the discovery of 90377 Sedna, the farthest natural object in the Solar system so far observed.
1713 - Nicolas Louis de Lacaille, French astronomer
1813 - John Snow, English epidemiologist
1821 - Johann Josef Loschmidt, Austrian scientist
1854 - Emil Adolf von…
1787 - William Herschel discovers Titania and Oberon, two moons of Uranus.
1922 - First use of insulin to treat diabetes in a human patient.
1788 - William Thomas Brande, English chemist
1800 - Anyos Jedlik, Hungarian physicist
1842 - William James, American psychologist and…