Misc: Who is the smallest member of the European union?

Questions

In 1983 Korean Boeing 747 strays into ---------- and is shot down by a Soviet jet?

In 1983 Korean Boeing 747 strays into Siberia and is shot down by a ---------- jet?

In 490 BC Phidippides runs first marathon, to announce the victory of ---------- over Persia?

In 490 BC Phidippides runs first marathon, to announce the victory of Sparta over----------?

In 31 BC Battle of---------- ; Octavian defeats Mark Antony and becomes Emperor Augustus?