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the most exiting  history , it have huge part events  of the internet was started as  a help for projects and army forces and it was introduced in about 1969 ,it is taken by U.S. army , they approved a project of ARPANET ( advance research project agency network ) and this started to connect one computer to other computer it such a manner and matter that the network will survive after a nuclear and any other attacks and it was possible only have numerous and various communication channel between different computers in the web chain after that the NSF between a common network called CSNET foundation covers it then in about 1980s a new high speed and having more capacity speedy net called NSFN  . later ANSN web chain service . network service was developed to provide services supply provided by NSFN after all in 1995 all the web chain is combined and create a common large webchain which is a network called internet was satisfided .
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