See also: 1869 in science, other events of 1870, 1871 in science, and the list of years in science.

Table of contents

1 Ecology 2 Mathematics 3 Medicine 4 Meterology 5 Physics 6 Technology 7 Awards 8 Births 9 Deaths

Ecology

• Introduced rabbitss reach the New South Wales border in Australia.

• Felix Klein constructs an analytic geometry for Lobachevski's geometry theory establishing its self-consistency and the logical independence of Euclid's fifth postulate.

• Louis Pasteur and Robert Koch establish the germ theory of disease.

• November 1 - In the United States, the newly-created Weather Bureau (later renamed the National Weather Service) makes its first official meteorological forecast: "High winds at Chicago and Milwaukee... and along the Lakes".

• February 26 - In New York City, the first pneumatic-subway is opened.
• Collotype black and white photographic process invented.
• The Magic Lantern movie projector is invented by Henry R. Heyl.
• The stock ticker is invented by Thomas Alva Edison.
• First known use of weapons for the anti-aircraft role at Paris during the Franco-Prussian War.

• Copley Medal: James Joule
• Wolaston Medal for geology: Gerard Paul Deshayes

• January 15 - Pierre S. DuPont, industrialist
• March 17 - Horace Donisthorpe, entomologist, myrmecologist, coleopterist († 1951)