1796 – 1820
1809
1832
1835
1839
1843
Babbage’s Analytical Engine. With the article, she appended a set of notes, labelled alphabetically from A to G. In note G, she describes an algorithm for the Analytical Engine to compute Bernoulli numbers. It is considered the first published algorithm ever specifically tailored for implementation on a computer, and Ada Lovelacehas often been cited as the first computer programmer.
1846
British zoologist Anna Thynne built the first stable, self-sustaining marine aquarium.
1848
American astronomer Maria Mitchell became the first woman elected to the American Academy of Arts and Sciences; she had discovered a new comet the year before.
1848 – 1849
1848
1850
1855
Welsh astronomer and photographer Thereza Dillwyn Llewelyn produced some of the earliest photographs of the moon.
1856
1865
1866
1869
1869
1870
Russian chemist Anna Volkova became the first woman member of the Russian Chemical Society.
1872
Female federal employees (but not private sector workers) guaranteed equal pay for equal work under the law.
Susan B. Anthony casts her first vote to test whether the 14th Amendment would be interpreted broadly to guarantee women the right to vote. She is convicted of “unlawful voting.”
1873
1874
1875
1876 – 1878
1878
1880
1884
1885
1886
1887
Susanna Medora Salter becomes the first woman elected mayor of an American town, in Argonia, Kansas.
1888
1889
1890
Popular science educator and author Agnes Giberne co-founded the British Astronomical Association.
The first state (Wyoming) grants women the right to vote in all elections.
1891
1892
1895
1896
1897
1899
Irish physicist Edith Anne Stoney was appointed a physics lecturer at the London School of Medicine for Women, becoming the first woman medical physicist.
