Analysis of information sources in references of the Wikipedia article "Tannaim" in English language version.
The rabbis educated at Yavneh would be links in the great unbroken chain of teachers of the Torah. Yohanan and those who followed him were called tannaim, meaning "repeaters" or "teachers.
... both in Palestine and in Babylonia, were called amoraim, meaning "speakers" or "interpreters"
When Archelaus was deposed from the ethnarchy in 6 CE, Judea proper, Samaria and Idumea were converted into a Roman province under the name Iudaea.
Tanna (pl. Tannaim)—authorities cited in the Mishna and coëval writings.