1 Peter 1:20

foreknown, indeed, from a founding of a world, but manifested in the end of the times for you,

Ephesians 1:4

according as He chose us in Him before the founding of a world, that we should be holy and without blemish before Him in love;

Colossians 1:26

the mystery which has been hidden from the ages and from the generations, but was now made manifest to His saints;

Hebrews 9:26

else had it been needful for Him ofttimes to suffer since the founding of a world; but now, once for all, at the end of the ages, He hath been manifested for the putting away of sin through the sacrifice of Himself.

2 Timothy 1:9-10

Who saved us, and called us with a holy calling, not according to our works, but according to His own purpose, and grace which was given us in Christ Jesus before eternal ages,

Titus 1:2-3

upon hope of eternal life which God, Who cannot lie, promised before eternal times,

Hebrews 1:2

at the end of these days spake to us in His Son, Whom He appointed Heir of all things, through Whom also He constituted the ages;

Revelation 13:8

And all who dwell on the earth will worship him, whose names have not been written in the Book of Life of the Lamb slain from the founding of a world.

Revelation 13:8

And all who dwell on the earth will worship him, whose names have not been written in the Book of Life of the Lamb slain from the founding of a world.

Revelation 13:8

And all who dwell on the earth will worship him, whose names have not been written in the Book of Life of the Lamb slain from the founding of a world.

Revelation 13:8

And all who dwell on the earth will worship him, whose names have not been written in the Book of Life of the Lamb slain from the founding of a world.

Acts 3:25-26

Ye are the sons of the prophets, and of the covenant which God made with your fathers, saying to Abraham, 'And in your Seed shall all the families of the earth be blessed.'

Romans 3:25

Whom God set forth as a propitiation, through faith in His blood, for the manifestation of His righteousness, because of the passing over of the formerly-committed sins in the forbearance of God:

Romans 16:25-26

Now to Him Who is able to establish you, according to my Gospel and the proclamation of Jesus Christ, according to the revelation of the mystery kept in silence during eternal ages,

Galatians 4:4

But, when the fulness of the time came, God sent forth His Son, born of a woman, born under law,

Ephesians 1:10

for a dispensation of the fulness of the seasons, to sum up all things in Christ, the things in the heavens and the things on the earth; in Him,

Ephesians 3:9

and to plainly show what is the dispensation of the mystery which from the ages has been hidden away in God, Who made all things;

Ephesians 3:11

according to a purpose of the ages which He made in Christ Jesus our Lord,

1 John 1:2

(and the Life was manifested, and we have seen, and bear witness, and declare to you The Eternal Life; Who, indeed, was with the Father, and was manifested to us);

1 John 3:5

And ye know that He was manifested, that He might take away sins; and in Him is no sin.

1 John 3:8

He that commits sin is of the Devil; because the Devil sins from the beginning. To this end was the Son of God manifested, that He might destroy the works of the Devil.

1 John 4:9-10

In this was manifested the love of God in us, that God hath sent His only begotten Son into the world, that we may live through Him.

Treasury of Scripture Knowledge

Summary

Who verily was foreordained before the foundation of the world, but was manifest in these last times for you,

General references

Bible References

But

Acts 3:25
Ye are the sons of the prophets, and of the covenant which God made with your fathers, saying to Abraham, 'And in your Seed shall all the families of the earth be blessed.'
Colossians 1:26
the mystery which has been hidden from the ages and from the generations, but was now made manifest to His saints;
1 John 1:2
(and the Life was manifested, and we have seen, and bear witness, and declare to you The Eternal Life; Who, indeed, was with the Father, and was manifested to us);
1 John 3:5
And ye know that He was manifested, that He might take away sins; and in Him is no sin.
1 John 4:9
In this was manifested the love of God in us, that God hath sent His only begotten Son into the world, that we may live through Him.

In

Galatians 4:4
But, when the fulness of the time came, God sent forth His Son, born of a woman, born under law,
Ephesians 1:10
for a dispensation of the fulness of the seasons, to sum up all things in Christ, the things in the heavens and the things on the earth; in Him,
Hebrews 1:2
at the end of these days spake to us in His Son, Whom He appointed Heir of all things, through Whom also He constituted the ages;
Hebrews 9:26
else had it been needful for Him ofttimes to suffer since the founding of a world; but now, once for all, at the end of the ages, He hath been manifested for the putting away of sin through the sacrifice of Himself.

General references

Acts 15:18
saith the Lord, Who maketh these things known from of old.