From Wikipedia, the free encyclopedia
June 18
- 1650 - Death of Christoph Scheiner, German astronomer
- 1178 - Five Canterbury monks see what was possibly the Giordano Bruno crater being formed.
- 1845 - Birth of Charles Louis Alphonse Laveran, French physician and Nobel Prize laureate (d. 1922)
- 1858 - Charles Darwin receives from Alfred Russel Wallace a paper that included nearly identical conclusions about evolution as Darwin's own, prompting Darwin to publish his theory.
- 1886 - Birth of Alexander Wetmore, American ornithologist (d. 1978)
- 1905 - Death of Per Teodor Cleve Swedish chemist (b. 1840)
- 1918 - Birth of Jerome Karle, American chemist and Nobel Prize laureate
- 1922 - Death of Jacobus Kapteyn, Dutch astronomer (b. 1851)
- 1930 - Groundbreaking ceremonies for the Franklin Institute held.
- 1932 - Birth of Dudley R. Herschbach, American chemist and Nobel Prize laureate
- 1971 - Death of Paul Karrer, Swiss chemist and Nobel Prize laureate (b. 1889)
- 1976 - Gravity Probe A, a satellite-based experiment to test Albert Einstein's theory of general relativity, is launched.
