It began just before 70 ad and continues to the present time . It was the Great Tribulation of the Jews.
Luk 21:20
But when ye see Jerusalem compassed with armies, then know that her desolation is at hand.
Luk 21:21
Then let them that are in Judaea flee unto the mountains; and let them that are in the midst of her depart out; and let not them that are in the country enter therein.
Luk 21:22
For these are days of vengeance, that all things which are written may be fulfilled.
Luk 21:23
Woe unto them that are with child and to them that give suck in those days! for there shall be great distress upon the land, and wrath unto this people.
Luk 21:24
And they shall fall by the edge of the sword, and shall be led captive into all the nations: and Jerusalem shall be trodden down of the Gentiles, until the times of the Gentiles be fulfilled.
compare Deut 28.64-7