
chhathaa vishva vigyaan kathaa sammelan

6vaan vishva vigyaan kathaa sammelan (worldcon), jise torcon key roop mein bhee jaanaa jaataa haye, 3 seey 5 julaai 1948 koo torrento, ontario, kanada mein raay purdy studio mein aayojit kiya gayaa thaa. yeh sanyukt raajya america key baahar aayojit pahala vishva sammelan thaa.
adhyaksh koo khaali curr diyaa gayaa thaa.
pratibhagiyon.
upasthiti lagbhag 200 thee.

