It spread to Europe in about 550 CE, when two Persian monks were asked by the Byzantine emperor Justinian I to smuggle silkworms from China.
Vha West vho waniwa nga vho 550 C.E musi vha Byzantine emperor Justinian vha tshi rumela dzi monks mbili vhukati ha Asia, vhe vha do kona u bvisa makumba kha bamboo staves.