On this Day in History: December 20

2013 – China successfully launches the Bolivian Túpac Katari 1 from the Xichang Satellite Launch Center.
2007 – The Portrait of Suzanne Bloch, a 1904 painting by the Spanish artist Pablo Picasso, and O Lavrador de Café by Brazilian modernist painter Cândido Portinari, are stolen from the São Paulo Museum of Art.
1999 – Macau is handed over to China by Portugal.
1971 – The international aid organization Doctors Without Borders is founded by Bernard Kouchner and a group of journalists in Paris, France.
1968 – The Zodiac Killer murders Betty Lou Jenson and David Faraday in Vallejo, California.
1953 – KWTV TV channel 9 in Oklahoma City, Oklahoma (CBS) begins broadcasting.
1953 – KID – now KIDK – TV channel 3 in Idaho Falls, Idaho (CBS) starts broadcasting.
1952 – KHQ TV channel 6 in Spokane, Washington (NBC) begins broadcasting.
1946 – It’s a Wonderful Life starring James Stewart and Donna Reed is first released in New York City.
1938 – An electronic television system was patented by Vladimir Kosmich Zworykin, who invented a television transmitting and receiving system employing cathode ray tubes.
1860 – South Carolina becomes the first state to attempt to secede from the United States.