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  The Pax Romana was a period of peace for the Roman Empire (about 200 years) that was a great time for inventions that have impacted the modern world. Some honorable mentions are amazingly engineered roads, a very successful postal system, and a new legal system.
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  Jesus of Nazareth is one of the most known religious figures in the world. He is the heart of Christianity and is believed to be God in Human form
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  Muhammad is believed to be a prophet and founder of islam, a prominant religion in today's society.
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  The Renaissance was one of the most important areas in modern-ish history because it was home to so many new ideas and beliefs that helped shape current society.
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  The invention of the printing press allowed information to be spread quickly and to people more efficiently than ever before.
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  The Reformation was a movement to reform the Catholic church and bring it back to its biblical roots, but then it ended up splitting the church into two groups. The Catholics and Protestants.
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  This war was a conflict used to segway the United States into freedom and independence from Great Britain.
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  A conflict stemming from the assassination of Archduke Franz Ferdinand of Austria. This war included most of the world's superpowers and ended in The Armistice of Villa Giusti and a victory by the allies.
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  World war 2 was one of the most impactful wars in history. It was a conflict between two military alliances, the allies and the axis. This world war ended in a victory by the allies.
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  A barrier that divided Berlin from 1961-1989. It's demolition made the people of Berlin freer and brought peace to what was previously a horrible place.