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==History==
===The Cambrian Period===
The Paleozoic Era is the earliest of three geologic eras of the Phanerozoic Eon. It is the longest of the Phanerozoic eras, lasting from 541 to 251.902 million years ago, and is subdivided into six geologic periods: the '''Cambrian''', Ordovician, Silurian, Devonian, Carboniferous, and Permian. We give you this history lesson so you can understand the importance of what we tell you next. We found
===Middle Ages===
In the history of Europe, the Middle Ages lasted from the 5th to the 15th century. It began with the fall of the Western Roman Empire and merged into the Renaissance and the Age of Discovery
===Earth 1970's===
===Mars 1990's===
==Beliefs and Practices==
