Delve into the details of the Quaternary Period of the Cenozoic Era, which presents enlightening scientific data about the present-day ice age and the evolving planet.

Catherine II, called Catherine the Great, reigned as Empress of Russia for 34 years, from 9 July [O.S. 28 June] 1762 until her death. Marrying into the Russian Imperial family, she came to power with the deposition of her husband Peter...