According To Jehovah, has the Kingdom of  God come to the earth? Yes:

 Col. 1:13 13 He rescued us from the authority of the darkness and transferred us into the kingdom of his beloved Son.

• Luke 17:20-21 20 On being asked by the Pharisees when the Kingdom of God was coming, he answered them: “The Kingdom of God is not coming with striking observableness; 21 nor will people say, ‘See here!’ or, ‘There!’ For look! the Kingdom of God is in your midst.”

• Matt. 12:28 28 But if it is by means of God’s spirit that I expel the demons, the Kingdom of God has really overtaken you.

• Mark 1:14-15 14 Now after John was arrested, Jesus went into Galilee, preaching the good news of God 15 and saying: “The appointed time has been fulfilled, and the Kingdom of God has drawn near. Repent, and have faith in the good news.”

• Luke 10:8-11 8 “Also, wherever you enter into a city and they receive you, eat what is set before you 9 and cure the sick ones in it and tell them: ‘The Kingdom of God has come near to you.’10 But wherever you enter into a city and they do not receive you, go out into its main streets and say: 11 ‘We wipe off against you even the dust that sticks to our feet from your city.  Nevertheless, know this, that the Kingdom of God has come near.’

• Luke 11:20 20 But if it is by means of God’s finger that I expel the demons, the Kingdom of God has really overtaken you.

• Matt.3:1-2 1 In those days John the Baptist came preaching in the wilderness of Judea,        2 saying: “Repent, for the Kingdom of the heavens has drawn near.”

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• Matt. 4:17 17 From that time on, Jesus began preaching and saying: “Repent, for the Kingdom of the heavens has drawn near.”