Isaiah 20:3

And Jehovah said, Like as my servant Isaiah hath walked naked and barefoot three years for a sign and a wonder concerning Egypt and concerning Ethiopia;

Isaiah 8:18

Behold, I and the children whom Jehovah hath given me are for signs and for wonders in Israel from Jehovah of hosts, who dwelleth in mount Zion.

Numbers 14:34

After the number of the days in which ye spied out the land, even forty days, for every day a year, shall ye bear your iniquities, even forty years, and ye shall know my alienation.

Isaiah 18:1-7

Ah, the land of the rustling of wings, which is beyond the rivers of Ethiopia;

Isaiah 37:9

And he heard say concerning Tirhakah king of Ethiopia, He is come out to fight against thee. And when he heard it, he sent messengers to Hezekiah, saying,

Isaiah 43:3

For I am Jehovah thy God, the Holy One of Israel, thy Saviour; I have given Egypt as thy ransom, Ethiopia and Seba in thy stead.

Ezekiel 4:5-6

For I have appointed the years of their iniquity to be unto thee a number of days, even three hundred and ninety days: so shalt thou bear the iniquity of the house of Israel.

Revelation 11:2-3

And the court which is without the temple leave without, and measure it not; for it hath been given unto the nations: and the holy city shall they tread under foot forty and two months.

Treasury of Scripture Knowledge

Summary

And the LORD said, Like as my servant Isaiah hath walked naked and barefoot three years for a sign and wonder upon Egypt and upon Ethiopia;

A sign

Bible References

Three

Numbers 14:34
After the number of the days in which ye spied out the land, even forty days, for every day a year, shall ye bear your iniquities, even forty years, and ye shall know my alienation.
Ezekiel 4:5
For I have appointed the years of their iniquity to be unto thee a number of days, even three hundred and ninety days: so shalt thou bear the iniquity of the house of Israel.
Revelation 11:2
And the court which is without the temple leave without, and measure it not; for it hath been given unto the nations: and the holy city shall they tread under foot forty and two months.

A sign

Isaiah 8:18
Behold, I and the children whom Jehovah hath given me are for signs and for wonders in Israel from Jehovah of hosts, who dwelleth in mount Zion.

American Standard Version Public Domain