(Ps 40:9-10) Lk 24:46-47, Gen 12:3, Ps 22:27, Ps 67:2-3,7, Ps 98:1-3, Ps 117:1-2, Isa 2:2-3, Isa 11:10, Isa 49:22, Isa 52:10, Isa 60:1-3, Isa 66:18, Mic 4:2, Mal 1:11

In the Old Testament, David proclaimed God's salvation to many people. (Psalms 40:9-10)

Psalms 40:9 I have preached righteousness in the great congregation: lo, I have not refrained my lips, O Lord, thou knowest. 10 I have not hid thy righteousness within my heart; I have declared thy faithfulness and thy salvation: I have not concealed thy lovingkindness and thy truth from the great congregation.

The Old Testament records that Christ suffered for us, rose on the third day, and that salvation through the forgiveness of sins would be preached to all nations in the name of Christ. (Luke 24:46-47)

Luke 24:46 And said unto them, Thus it is written, and thus it behooved Christ to suffer, and to rise from the dead the third day: 47 And that repentance and remission of sins should be preached in his name among all nations, beginning at Jerusalem.

The Old Testament prophesied that all nations would be evangelized.

Gen 12:3 And I will bless them that bless thee, and curse him that curseth thee: and in thee shall all families of the earth be blessed.

Ps 22:27 All the ends of the world shall remember and turn unto the Lord: and all the kindreds of the nations shall worship before thee.

Ps 67:2 That thy way may be known upon earth, thy saving health among all nations. 3 Let the people praise thee, O God; let all the people praise thee. 7 God shall bless us; and all the ends of the earth shall fear him.

Ps 98:1 O sing unto the Lord a new song; for he hath done marvellous things: his right hand, and his holy arm, hath gotten him the victory. 2 The Lord hath made known his salvation: his righteousness hath he openly shewed in the sight of the heathen. 3 He hath remembered his mercy and his truth toward the house of Israel: all the ends of the earth have seen the salvation of our God.

Ps 117:1 O praise the Lord, all ye nations: praise him, all ye people. 2 For his merciful kindness is great toward us: and the truth of the Lord endureth for ever. Praise ye the Lord.

Isa 2:2 And it shall come to pass in the last days, that the mountain of the Lord's house shall be established in the top of the mountains, and shall be exalted above the hills; and all nations shall flow unto it. 3 And many people shall go and say, Come ye, and let us go up to the mountain of the Lord, to the house of the God of Jacob; and he will teach us of his ways, and we will walk in his paths: for out of Zion shall go forth the law, and the word of the Lord from Jerusalem.

Isa 11:10 And in that day there shall be a root of Jesse, which shall stand for an ensign of the people; to it shall the Gentiles seek: and his rest shall be glorious.

Isa 49:22 Thus saith the Lord God, Behold, I will lift up mine hand to the Gentiles, and set up my standard to the people: and they shall bring thy sons in their arms, and thy daughters shall be carried upon their shoulders.

Isa 52:10 The Lord hath made bare his holy arm in the eyes of all the nations; and all the ends of the earth shall see the salvation of our God.

Isa 60:1 Arise, shine; for thy light is come, and the glory of the Lord is risen upon thee. 2 For, behold, the darkness shall cover the earth, and gross darkness the people: but the Lord shall arise upon thee, and his glory shall be seen upon thee. 3 And the Gentiles shall come to thy light, and kings to the brightness of thy rising.

Isa 66:18 For I know their works and their thoughts: it shall come, that I will gather all nations and tongues; and they shall come, and see my glory.

Mic 4:2 And many nations shall come, and say, Come, and let us go up to the mountain of the Lord, and to the house of the God of Jacob; and he will teach us of his ways, and we will walk in his paths: for the law shall go forth of Zion, and the word of the Lord from Jerusalem.

Mal 1:11 For from the rising of the sun even unto the going down of the same my name shall be great among the Gentiles; and in every place incense shall be offered unto my name, and a pure offering: for my name shall be great among the heathen, saith the Lord of hosts.