King James Version
For then shall be great tribulation, such as was not since the beginning of the world to this time, no, nor ever shall be.English Standard Version
For then there will be great tribulation, such as has not been from the beginning of the world until now, no, and never will be.New International Version
For then there will be great distress, unequaled from the beginning of the world until now--and never to be equaled again.