The Avars attack the outskirts of Constantinople. Numerous Slavic tribes rebel against Avar overlordship; they carve out their own sovereign territory in Moravia and Lower Austria (approximate date).
Asia
The Meccan boycott of the Hashemites and Muhammad ends.
^McErlean, Thomas; Crothers, Norman (2007). Harnessing the Tides: The Early Medieval Tide Mills at Nendrum Monastery, Strangford Lough. Norwich: The Stationery Office. ISBN978-0-337-08877-3.