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When was the Internet discovered?

Leonard Kleinrock from MIT theorized the concept of packet switching that would enable computers to communicate effectively via a network. The ARPANET was first demonstrated at the International Computer Communication Conference in 1972, which is also the first year electronic mail was introduced. The idea of the Internet is based on the concept of many independent networks joined together, including packet-based radio networks and satellite networks.

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Where can you find a list of U.S. presidents?

As of 2015, the United States has had 44 presidents, with the first one being George Washington, who was elected in 1789. The lists of presidents include information about the periods they served, the parties they belonged to, as well as the main achievements of their terms. Individuals can also find the name of the first ladies and vice presidents of the United States when consulting a list of U.S. presidents.

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Who are some famous illiterate people of history?

Charlemagne, or Charles the Great, was King of the Franks and Roman Empire beginning in 771 A.D. As a youth, he was illiterate, as was most of the Frankish society and even the majority of the nobles. At the time, the educated clergy were the most literate.Isabella Baumfree was an African-American slave in New York who escaped in 1826, became a Christian, changed her name to Sojourner Truth and dedicated herself to spreading evangelism. Despite her illiteracy, she was an effective proponent of women's rights and the abolition of slavery.Genghis Khan was an illiterate Mongol leader. The Mo..

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Who are some famous servant leaders?

Martin Luther King, Jr.'s courageous and inspirational actions in the name of social justice make him one of the great examples of servant leadership. A charismatic preacher and peerless orator, he could have chosen to amass power for personal satisfaction. Yet, he devoted his life to creating a more just society and transformed a nation.\nBefore Eleanor Roosevelt, the role of the First Lady of the United States was that of a hostess for formal gatherings. Her service transformed what Americans expected of the office, and her persistent work for human rights in the United States and many ..

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How were the Mycenaeans and the Minoans similar?

The Minoan civilization existed on the island of Crete from about 3000 to 1100 BC. They were not Greek but influenced later Greek culture. Since the Minoans did not have walls to protect themselves, they were probably peaceful. Living on an island, they had a natural barrier to protect them against potential enemies. The Minoans had a form of writing that consisted of hieroglyphics. They produced a lot of art and had a rich culture. Part of Minoan civilization is thought to have been destroyed by a volcano before the Mycenaeans came.\nThe Mycenaeans were the first Greeks. They were most active..

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What is the Precambrian era?

The Precambrian is not a true geologic era, but instead a period of time, containing three distinct eons: the Hadean, which was 4.5 to 4 million years ago, the Archean, which was 4 billion to 2.5 billion years ago, and the Proterozoic, which was 2.5 billion to 541 million years ago.\nThese periods contain the evidence to elucidate the formation of Earth's landmasses, oceans and ultimately the creation of complex life. The Hadean period features the formation of the Milky Way and the first stages of Earth. The Archean period features the cooling of the Earth, the formation of water in the ..

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How did the Olmec prepare their food?

The Olmec were a pre-classical society that were part of Mesoamerica. They were prominent in the La Venta area and they were a society that was completely self sufficient. They were able to create everything they needed from the land and supplies that they already had. They were able to support themselves through agriculture and had a very sophisticated governmental system that allowed them to continue functioning as a society. The Olmec culture was long believed to have been after the Mayans, but it was discovered in the 1930s that the Olmec were actually part of Mesoamerica before the Mayans..

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Who first discovered gold?

Egypt and Syria are believed to be just a few of the places where gold surfaced first. It was not until 1500 B.C. that gold was used as a type of currency for international trade. Nearly 300 years later, Egyptians learned how to mix gold with other metals to form alloys. The Greeks and Romans were interested in gold for its monetary value and used it to help pay for their wars.

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What are some of the lesser known American Indian tribes?

Alaska boasts dozens of Native American tribes, the majority of which are lesser known. Many of these tribes are located in villages, such as the Healy Lake Village tribe and the Native Village of Karluk, although a few go by just the tribal name including the Knik Tribe and the Sitka Tribe of Alaska. Alaska's Knik Tribe contains only 1,500 citizens located in the Knik Tribal Conservation District in southern Alaska just north of Anchorage.\nCalifornia's San Manuel Band of Mission Indians is another lesser-known tribe located just east of Los Angeles and north of San Bernardino in th..

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How did Einstein die?

This German-born physicist and Nobel Prize winner left a legacy of scientific work at his death. His equation, energy equals mass multiplied by the speed of light squared, was only the beginning of his work, which later grew into the development of a general theory of relativity that made him famous. Einstein moved to the United States after Hitler took over Germany, and it was he who warned President Roosevelt of the possibility of the Nazis developing an atomic bomb. This move, at least in part, led to the establishment of the Manhattan Project. According to Biography, when Einstein became i..

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