The Persian Empire was conquered by the Greeks led by Alexander the Great. Starting in the year 334 BC, Alexander the Great conquered the Persian Empire from Egypt all the way to the borders of India.
In information technology, a Uniform Resource Identifier (URI) is a string of characters used to identify a resource. Such identification enables interaction with representations of the resource over a network, typically the World Wide Web, using specific protocols.
A URL (Uniform Resource Locator, previously Universal Resource Locator) - usually pronounced by sounding out each letter but, in some quarters, pronounced Earl - is the unique address for a file that is accessible on the Internet.