Portal:History of science/Selected anniversaries/May 28

585 BC - A solar eclipse occurs, as predicted by Thales, while Alyattes is battling Cyaxares in the Battle of the Eclipse, leading to a truce. This is one of the cardinal dates on which systems of chronology can be calculated.
1641 - Birth of Janez Vajkard Valvasor, Slovenian polymath (d. 1693)
1676 - Birth of Jacopo Riccati, Italian mathematician (d. 1754)
1807 - Birth of Louis Agassiz, Swiss-American zoologist and geologist (d. 1873)
1836 - Birth of Alexander Mitscherlich, German chemist (d. 1918)
1872 - Birth of Marian Smoluchowski, Polish physicist (d. 1917)
1892 - In San Francisco, California, John Muir organizes the Sierra Club.
1936 - Alan Turing submits On Computable Numbers for publication.
1942 - Birth of Stanley B. Prusiner, American neurologist and Nobel Prize laureate
1980 - Death of Rolf Nevanlinna, Finnish mathematician (b. 1895)
2001 - Death of Francisco Varela, Chilean biologist and philosopher (b. 1946)
2003 - Death of Ilya Prigogine, Russian-Belgian physicist and chemist and Nobel Prize laureate (b. 1917)