November 25 – First definite sighting of Heard Island in the Antarctic.
Alfred Russel Wallace publishes A Narrative of Travels on the Amazon and Rio Negro, with an account of the native tribes, and observations on the climate, geology, and natural history of the Amazon Valley.
August 1 – Under terms of the Vaccination Act 1853 in the United Kingdom, all children born after this date are to receive compulsory vaccination against smallpox during their first 3 months of life.
↑Siegel, I. M. (1988). "Historical Vignette #9. Little big man: the life and genius of William John Little (1810-1894)". Orthopedic Review. 17 (11): 1156, 1161–6. PMID3060808.
↑Ricci, G. (2012). "The First Internal Combustion Engine". In Starr, F.; Marshall, E.L.; Lawton, B. (eds.). The Piston Engine Revolution. London: Newcomen Society. pp.23–44. ISBN978-0-904685-15-2.