In the reign of Ptolemy 2nd , The Library Of Alexandria established.
This idea was from Ptolemy 1st, Ptolemy 3rd Therefore they ordered that all books that found in ships should be seized and copied then return the copies back to their owners.
The earliest reports assert that Demetrius had a large budget and
permission from the king to collect all the books in the world.
The goal was to collect half a million manuscripts.
The function of this library is to contain the writings of all nations.