Question

how many members signed in UN charter when it was set up​

Answer 1

50 members signed in UN charter when it was set up.

Answer 2

In the Herbst Theater auditorium in San Francisco, delegates from 50 nation sign the United Nation Charter, establishing the world body as a mean of saving "succeeding generations from the scourge of war." The Charter was ratified on October 24, and the first U.N. General Assembly met in London on January 10, 1946.