Vladimir Lenin was appointed as the head of the Soviet Russian government. He is also the primary leader of the USSR and the administration that led Russia in 1917.

In 1871, Otto von Bismarck became the first chancellor to supervise the unification of Germany until 1890. He was called the Iron Chancellor for his tight policy to consolidate all of Germany.

The ancient Olympic games were a set of athletic games celebrated by the Greeks in honor of Zeus. The first Olympics is dated 776 BC.

The French Revolution began in 1789 when French people overthrew the idea of absolute monarchy and fought for the principle of a republic and liberal democracy.

Leif Erikson is known to be the first explorer to set his foot on the continents of North America. Erikson established a settlement at Vinland, part of North America, which is now assumed to be Newfoundland.

King Louis XVI of France was the king that was executed by guillotine in 1793 during the French Revolution for committing treason.

The Battle of Waterloo occurred in 1815 in Belgium. The French army, which was taken down by the Seventh Coalition, was following the command of Napoleon Bonaparte. This battle denoted the end of the Napoleonic Wars.

The Treaty of Versailles was a peace treaty that ended World War I. The treaty was ordained in 1919 in Versailles to stop the state of war between Germany and the Allied powers.

The assassination of Archduke Franz Ferdinand is believed to be the spark of World War I. He was murdered by Gavrilo Princip in 1914 during a motorcade parade.

Christopher Wren is a well-known English architect who helped to rebuild 52 churches in London after the Great Fire of 1666, including St. Paul’s Cathedral.