[[Smallpox]] may have been used as a biological weapon in North America in the 18th century.<ref>https://www.bbc.co.uk/history/worldwars/coldwar/pox_weapon_01.shtml</ref> During [[World War II]] Britain conducted experiments with anthrax as a biological weapon on Gruinard Island, [[Scotland]].<ref>https://www.youtube.com/watch?v=hsOJRxs_dTI</ref> | [[Smallpox]] may have been used as a biological weapon in North America in the 18th century.<ref>https://www.bbc.co.uk/history/worldwars/coldwar/pox_weapon_01.shtml</ref> During [[World War II]] Britain conducted experiments with anthrax as a biological weapon on Gruinard Island, [[Scotland]].<ref>https://www.youtube.com/watch?v=hsOJRxs_dTI</ref> |