Vladimir Lenin was a Russian communist revolutionary, politician and political theorist. He served as head of government of Soviet Russia from 1917 to 1924 and of the Soviet Union from 1922 to 1924. All That Is Interesting Che Guevara, pictured at age 6, was an Argentine Marxist revolutionary, physician, author, guerrilla leader, diplomat and military theorist and a major figure of the Cuban Revolution. All That Is Interesting Mao Zedong, pictured at 19, was a Chinese communist revolutionary, poet, political theorist and the founding father of the People’s Republic of China, which he ruled as the Chairman of the Communist Party of China from its establishment in 1949 until his death in 1976. All That Is Interesting Kim Jong-il was the leader of North Korea, officially known as the Democratic People’s Republic of Korea (DPRK), from his father’s death in 1994 until his own death in 2011. All That Is Interesting An undated photo of Saudi Arabia’s King Salman. He was first made deputy governor of Riyadh in 1954, at about age 19. Independent Russian President Vladimir Putin as a young child in Russia in the 1950s. Independent Eight-year-old Justin Trudeau, future prime minister of Canada, feeds pigeons with his father, then prime minister Pierre Trudeau, in Venice in 1980. Independent Japanese Prime Minister Shinzo Abe as a child, left, with his family in 1956. His father, Shintaro Abe, was foreign minister between 1982 and 1986. Independent Queen Elizabeth II, right, practices bandaging with her sister, Margaret, who both joined the 1st Buckingham Palace Company of Girl Guides, in 1943. The two stripes on her uniform indicate that she’s patrol leader. Associated Press Former US President Bill Clinton on a pony near his childhood home in Arkansas. Reuters British Foreign Minister Boris Johnson, then president of the Oxford Union, speaks with Melina Mercouri, Greek minister for culture, in 1986. Reuters Brazil’s Dilma Rousseff, center, in an undated photo with her family. The Senate of Brazil suspended her powers and duties for up to six months in May 2016. Independent Former US President Franklin D. Roosevelt with a bow and arrow, circa 1890. Independent Mahatma Gandhi, right, with his brother Laxmidas in 1886. Independent