1675 in science

List of years in science (table)
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The year 1675 in science and technology involved some significant events.

Astronomy

• March 4 – John Flamsteed appointed as "astronomical observator", in effect, the first Astronomer Royal of England.
• Giovanni Cassini discovers Saturn's Cassini Division.

Exploration

• The Antarctic Convergence is first crossed by Anthony de la Roché, who lands on South Georgia.

Mathematics

• November 11 – German polymath Gottfried Leibniz uses infinitesimal calculus for the first time to find the area under the graph of the function y=f(x).

Births

• February 28 – Guillaume Delisle, French cartographer (died 1726)

Deaths

• October – James Gregory, Scottish mathematician and astronomer (born 1638)
• October 27 – Gilles de Roberval, French mathematician (born 1602)
• November 11 – Thomas Willis, English physician (born 1621)
• approx. date – John Jonston, Polish naturalist and physician (born 1603)