The Mayans made striking advances in writing, astronomy, and architecture. Both the Mayans and the Aztecs created highly accurate calendars. The Aztecs adapted earlier pyramid designs to build massive stone temples. The Incas showed great skill in engineering and in managing their huge empire. Aztec education was an important part of their culture. The Aztecs were very advanced scientific thinkers and mathematicians for their time. The Aztec number system was far more advanced than any other cultures at the time. In addition, Aztec science relied heavily on math. Which is why their calendars were highly accurate.
His natural genius crossed so many disciplines that he was made known as Renaissance man.
The Second World War was started by Germany in an unprovoked attack on Poland. Britain and France declared war on Germany after Hitler had refused to abort his invasion of Poland.
Well, Grover Cleveland was already the 22nd president, therefore, if you look at it this way, William McKinley is 24th. :) But to be technical, yeah, Grover Cleveland.<span />
Answer:
1917
The Russian Revolution took place in 1917 when the peasants and working class people of Russia revolted against the government of Tsar Nicholas II. They were led by Vladimir Lenin and a group of revolutionaries called the Bolsheviks
