Portal:History of science/Selected anniversaries/January 18
- 1878 - Death of Antoine César Becquerel, French physicist (b. 1788)
- 1901 - Birth of Ivan Petrovsky, Russian mathematician (d. 1973)
- 1908 - Birth of Jacob Bronowski, Polish-born mathematician, poet, and physicist (d. 1974)
- 1916 - A 611 gram chondrite type meteorite strikes a house near the village of Baxter in Stone County, Missouri
- 1977 - Scientists identify a previously unknown bacterium as the cause of the mysterious Legionnaires' disease
- 1995 - Death of Adolf Butenandt, German chemist, Nobel laureate (b. 1903)
- 2000 - The Tagish Lake meteorite impacts the Earth