The first underground passenger railway, the Metropolitan, opened in London.
The League of Nations came into existence.
The first General Assembly of the United Nations convened in London.
The first African-American senator elected by popular vote, Edward Brooke of Massachusetts, took his seat.
North Korea announced that it was withdrawing from the Nuclear Non-Proliferation Treaty.
Read more: This Day in History: January 10 — Infoplease.com http://www.infoplease.com/dayinhistory#ixzz1j42kKupn