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Jean-Baptise de Lamarck says that living things evolve to be more complex. In his book, Philosophie zoologique, he writes that vital forces helt creatures adapt to their enviroment.
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Charles Robert Darwin was born into a wealthy English family. At the time, Britin is at war against France, and evolution is hinted at by the French radicals.
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During the war of 1812, America struggled to mantain independence from Britain.
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Origanally a Creek Tribe civil war, the Americans got involved and helped the Creeks.
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Darwin sets out on a voyage around the world seeking to become a member of the clergy. Instead, the life and world changing voyage to through the Galapagos Islands made him want to become a scientist. He returns with the things he collected on his voyage
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On April 6, the Mexican government Forbade further American emigration to Texas. This lead to the Americans fighting the Spanish for Texas.
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During his voyage, Darwin starts secret notebooks containing the "radical" ideas he has come upon. He records the many things he found on his trip through the Galapagos Islands.
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A conflict that occurred as the result of Mexican resentment over the US annexation of Texas and a border dispute.
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A fossil skull was found in Neander Valley in Germany. It raised questions about whether all humans are decendants of Adam and Eve.
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The south split from the north
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Darwin's new book, The Decendant of Man, explores the idea of human evolution and sexual selection. He realays the information that to pass on traits, people must not only be able to survive, they must also be irresistable to the opposite sex.
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English scientist Herbert Spencer has the idea that a struggle for exsistence leads to evolution.
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Darwin dies and is buried by the church who accepted his ideas of evolution.
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An exsplosion on bord the USS Maine was thought to be the cause of a Spanish sabotage. This started a war against Spain. Later investigations showed the exposion was due to an a ccident in the boiler room of the ship.
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Over time, countries throughout Europe made defense agreements that would pull them into battle. If one country was attacked, allied countries were bound to defend them.
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Raymon Dart finds a man-like ape in a limestone quarry in Taungs, Douth Africa. There is also a baboon skeleton leading Dart to speculate that the man-like ape killed it and ate its brain for food. This horrifies anti-evolutionists because it implies that humans have evolved through fierce hunting.
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When events began happening in Europe, many Americans took an increasingly hard line towards getting involved. The events of World War I had fed into America's natural desire to isolationism.
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America backed Syngman Rhee in the South. This would eventually lead to conflict when in June, 1950, North Korea attacked the South leading to President Harry Truman sending troops in to protect South Korea.
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A graduate student named Stantley Miller produces amino acids, a key chemical in the building blocks of life. This is only one of many experiments to indicate that life on Earth could be natural.
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America and France tried to defeat the communists in Vietnam.
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Donald Johanson find a preserved 4 million year old fossil. The 40 percent-complete skeleton shows our ape ancestors had small ape-like brain and walked upright. People against evolution dont belive it.
