For Fish, Fur and the Tsar
An ukase (Imperial Russian edict) of Alexander I. of Russia introduces a hunting quota in Russian Alaska.
Important aspects of the timeline
assassination of Louis Bonaparte before the coup d'etat of 1852
Russian involvment in the Mexican-American War
no Italian unification until 1909
Egypt remains under Ottoman control
Triple Alliance between Germany, the Ottoman Empire and Great Britain
a Chinese Civil War in the late 1880s with Imperialist victory thanks to Japan
Then you can read it here.