Nikolai Kosciusko 5

Nikolai has broken his vow to never travel in time again, but the possibility of regaining an undamaged Earth was too attractive to resist. All of his people now have twins in the new timeline, including King George III, rescued from Old England and rejuvenated. All of Earth's old political problems from their old time of 1818 are still there, but Nikolai has overwhelming power so why should he do things the old way?