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Hace 1 día · In 1971, he began planning the network to explore alternatives to the early ARPANET design and to support internetworking research. First demonstrated in 1973, it was the first network to implement the end-to-end principle conceived by Donald Davies and make the hosts responsible for reliable delivery of data, rather than the network itself, using unreliable datagrams .
Hace 2 días · The American Revolution was an insurrection carried out by 13 of Great Britain ’s North American colonies that began in 1775 and ended with a peace treaty in 1783. The colonies won political independence and went on to form the United States of America. The war followed more than a decade of growing estrangement between the British crown and ...
Hace 2 días · World War II began in Europe on 1 September 1939 with the German invasion of Poland and the United Kingdom and France's declaration of war on Germany two days later on 3 September 1939. Dates for the beginning of the Pacific War include the start of the Second Sino-Japanese War on 7 July 1937, [3] [4] or the earlier Japanese invasion of Manchuria , on 19 September 1931.
Hace 1 día · Christianity, major religion stemming from the life, teachings, and death of Jesus of Nazareth (the Christ, or the Anointed One of God) in the 1st century ce.It has become the largest of the world’s religions and, geographically, the most widely diffused of all faiths. It has a constituency of more than two billion believers. Its largest groups are the Roman Catholic Church, the Eastern ...
Hace 4 días · It was not until Union soldiers arrived in Galveston, Texas, on June 19, 1865, that the state’s residents finally learned that slavery had been abolished. The formerly enslaved immediately began to celebrate with prayer, feasting, song, and dance. The following year, on June 19, the first official Juneteenth celebrations took place in Texas.
Hace 1 día · National Football League (NFL), major American professional football organization, founded in 1920 in Canton, Ohio, as the American Professional Football Association.Its first president was Jim Thorpe, an outstanding American athlete who was also a player in the league.The NFL’s present name was adopted in 1922. History. The league began play in 1920 and comprised five teams from Ohio (Akron ...
Hace 4 días · origins of agriculture, the active production of useful plants or animals in ecosystems that have been created by people. Agriculture has often been conceptualized narrowly, in terms of specific combinations of activities and organisms—wet-rice production in Asia, wheat farming in Europe, cattle ranching in the Americas, and the like—but a ...
