Vladimir Putin gifted President Donald Trump an Adidas soccer ball to celebrate the World Cup, held in Russia, which had markings indicating it had a chip that allows fans to access mobile content and could theoretically be programmed to initiate an attack on nearby phones.

Catherine II was empress of Russia, and led her country into the political and cultural life of Europe, carrying on the work begun by Peter the Great.

Rasputin is best known for his role as a mystical adviser in the court of Czar Nicholas II of Russia.

Yul Brynner was an actor of stage and screen most famous for portraying King Mongkut of Siam in The King and I.

Peter the Great was a Russian czar in the late 17th century, who is best known for his extensive reforms in an attempt to establish Russia as a great nation.

Ivan the Terrible, or Ivan IV, was the first tsar of all Russia. During his reign (1533-1584), Ivan acquired vast amounts of land through ruthless means, creating a centrally controlled government.

Joseph Stalin ruled the Soviet Union for more than two decades, instituting a reign of death and terror while modernizing Russia and helping to defeat Nazism.

Vladimir Lenin was founder of the Russian Communist Party, leader of the Bolshevik Revolution and architect and first head of the Soviet state.

Anastasia was the daughter of the last Russian tsar, Nicholas II. After she and her family were executed, rumors claimed that she might have survived.

Communist Leon Trotsky helped ignite the Russian Revolution of 1917, and built the Red Army afterward. He was exiled and later assassinated by Soviet agents.

Marc Chagall was a Belorussian-born French artist whose work generally was based on emotional association rather than traditional pictorial fundamentals.

Mikhail Baryshnikov is a Russian-American ballet dancer who choreographed several iconic pieces which have made him one of the greatest ballet dancers of the 20th century.

Maria Sharapova is a tennis champion who became the first Russian woman to win Wimbledon and earned a silver medal at the 2012 London Olympics.

Mikhail Gorbachev was the first president of the Soviet Union, serving from 1990 to 1991. He was awarded the Nobel Prize for Peace for his leadership role in ending the Cold War and promoting peaceful international relations.

Russian author Leo Tolstoy wrote the acclaimed novels 'War and Peace,' 'Anna Karenina' and 'The Death of Ivan Ilyich,' and ranks among the world's top writers.

Influential Russian composer Igor Stravinsky created such famed works as 'The Rite of Spring,' 'Symphony in C' and 'The Rake's Progress.'

Soviet spy William Fisher, a.k.a. Rudolf Abel, was convicted of espionage in the U.S. in 1957 and later exchanged for imprisoned American Francis Gary Powers.

Sergey Brin is a computer scientist who created Google with Larry Page, the two becoming billionaires as Google developed into the world's most popular search engine and a media giant.

Film and television actress Mila Kunis came to fame on the sitcom 'That '70s Show.' In film, she's co-starred in such hits as 'Forgetting Sarah Marshall, 'Black Swan' and 'Bad Moms.'

Meyer Lansky, an organized-crime figure known for his sharp financial acumen, was instrumental in the development of a national crime syndicate in the United States.

Russian-born painter Wassily Kandinsky is credited as a leader in avant-garde art as one of the founders of pure abstraction in painting in the early 20th century.

Nicholas II was the last tsar of Russia under Romanov rule. His poor handling of Bloody Sunday and Russia’s role in World War I led to his abdication and execution.

Alexandra Feodorovna was consort of the Russian Czar Nicholas II. Her rule precipitated the collapse of Russia's imperial government. She was murdered, along with her entire family, in 1918.

Russian writer Anton Chekhov is recognized as a master of the modern short story and a leading playwright of the late 19th and early 20th centuries.