inforwars.com: The U.S. and its allies have long been complicit in the manufacturing and use of biological and chemical weapons, yet has targeted other countries for alleged possession and use of these same weapons. This partial chronology is intended as a starting point for critical research and analysis of bio-chemical weaponry and foreign policy.

A Canadian soldier with mustard gas burns, ca. 1917-1918. Credit: Library and Archives Canada

400s B.C.: Spartan Greeks use sulfur fumes against enemy soldiers.

256 A.D.: Sasanian Persian Empire may have used toxic smoke against Roman soldiers in a tunnel in modern-day Syria.

1346: Tatars catapult plague-infected corpses into Italian trade settlement in Crimea.

1500s: Spanish conquistadors use biological warfare used against Indigenous peoples in the Americas.

1763: British Gen. Jeffrey Amherst advocates use of smallpox blankets against Native peoples during Pontiac’s Rebellion. Smallpox blankets given to Native delegates during talks at Fort Pitt.

1789: Smallpox ravages Australian Indigenous communities in New South Wales; debate persists whether the British deliberately introduced it.

1800s: Smallpox, measles, and other diseases ravage Native American and First Nation communities; U.S. and British/Canadian officials use quarantine techniques to isolate diseases in white communities, but not in Native villages.

1845: British attack Maori resisters with poison gas in Battle of Ohaeawai, Aotearoa/New Zealand.

1907: Hague Convention outlaws chemical weapons; U.S. does not participate.

1914-18: World War I begins; Germans introduce chlorine gas at Second Battle of Ypres. Poison gas such as mustard gas and chlorine gas produces 85,000 deaths, 1,200,000 injuries on both sides.

1919-21: Poison gas used in Russian civil war, against rebels by the Bolsheviks, and against Bolsheviks by the Royal Air Force.

More: