The Last days occured several times



At the time of Noah
Gen 6:13 So God said to Noah, "I am going to put an end to all people, for the earth is filled with violence because of them. I am surely going to destroy both them and the earth.

At the time of Jesus
John 5:22: Moreover, the Father judges no one, but has entrusted all judgment to the Son,
Mal 4:1 Surely the day is coming; it will burn like a furnace. All the arrogant and every evildoer will be stubble, and that day that is coming will set them on fire," says the LORD Almighty. "Not a root or a branch will be left to them.

At the time of the Second Advent (coming next)
Matt 24:29 Immediately after the distress of those days
the sun will be darkened,and the moon will not give its light; the stars will fall from the sky,and the heavenly bodies will be shaken
Luke 17:26 As it was in the days of Noah, so will it be in the days of the Son of Man.

God tried to restore the Kingdom of Heaven on earth before but could not because of man's failure