History for December 30 - On-This-Day.com
1853 - The United States bought about 45,000 square miles of land from Mexico in a deal known as the Gadsden Purchase.
1922 - The Union of Soviet Socialist Republics (USSR) was formed.
1924 - Edwin Hubble announced the existence of other galactic systems.
1953 - The first color TV sets went on sale for about $1,175.
1978 - Ohio State University fired Woody Hayes as its football coach, one day after Hayes punched Clemson University player Charlie Bauman during the Gator Bowl. Bauman had intercepted an Ohio pass.