Isa 20:1

20:1 Sargon. This is Sargon II, king of Assyria from 721 to 705 b.c.

Ashdod. This Philistine city rebelled against Assyria at the encouragement of Shabako, the Nubian king (18:1 note) in 713 b.c. It fell in 711. An inscription mentioning Sargon by name has been unearthed at Ashdod.