Updated timelines

Catherine the Great of Russia
Коли народився Тарас Григорович Шевченко
Catherine the Great
Fredrick Douglass
Magdi Yacoub
Isaac Newton
Catherine The Great
U.S History from 1800-1860
U.S history from 1800-1860
U.S. history from 1800-1859
U.S. history from 1800-1860
U.S. history from 1800-1860
U.S. History Timeline
Ivan The Terrible
Revolutionary war
World War Two