Most Relevant Verses
"So the LORD'S anger burned against Israel, and He made them wander in the wilderness forty years, until the entire generation of those who had done evil in the sight of the LORD was destroyed.
"A man's foot will not pass through it, and the foot of a beast will not pass through it, and it will not be inhabited for forty years. "So I will make the land of Egypt a desolation in the midst of desolated lands And her cities, in the midst of cities that are laid waste, will be desolate forty years; and I will scatter the Egyptians among the nations and disperse them among the lands." 'For thus says the Lord GOD, "At the end of forty years I will gather the Egyptians from the peoples among whom they were scattered.
From Thematic Bible
Israel » Under the judges » Led » Eli » Forty years
When he mentioned the ark of God, Eli fell off the seat backward beside the gate, and his neck was broken and he died, for he was old and heavy. Thus he judged Israel forty years.