Where I live, I have to have this conversation way too often with people.
Early Modern Period (~1600 AD)
Medieval Period (~1000 AD)
(thelemmy.club)
Interestingly enough, I just finished watching The Lost Metallurgy of the Ancient Americas video, and not only were some cannons made of bronze, but apparently the Conquistadors did actually have some Mesoamerican Natives make some artillery for them using native metallurgy techniques and the locally mined copper/bronze the Natives were already making.^1^
^1^ Copper alloyed with arsenic forms a sort of bronze, and copper-tin alloys were also used for the bronze best known nowadays.