1:25 - Rise of Muscovy 3:50 - Romanov dynasty 5:00 - Peter the Great 8:10 - Catherine the Great 9:20 - Napoleonic wars 10:40 - Beginning of the end 11:45 - Reforms 13:45 - Russo Japanese war 15:45 - WW1, Russian Revolution
Fertility is the number of children born to a woman, while fecundity is her physiological potential to bear children. Fertility is often used as measure of fitness, and fecundity is related to reproductive value.