Silla, Korean kingdom 57 BC-935 AD; one of the Korean Three Kingdoms from 1st century AD, defeating its rivals Paikche 百濟|百济[Bǎi​jì] and Koguryo 高句麗|高句丽[Gāo​gōu​lí] around 660 in alliance with Tang China; unified Silla 658-935