Assertion: gunpowder's use | /r/AtLocation | the island of sicily
Facets:
value: in 409 bc
type: TEMPORAL
value: at the selinus siege
type: TEMPORAL
Source sentences:
text: The first use of rams within the actual Mediterranean Basin, featuring in this case the simultaneous employment of siege towers to shelter the rammers from attack, occurred on the island of Sicily in 409 BC, at the Selinus siege.