On this day: December 6

2006: NASA reveals photographs taken by Mars Global Surveyor suggesting the presence of liquid water on Mars.

2003: Army becomes the first team to finish 0-13 in major college football history after a 34-6 loss to Navy.

2002: Winona Ryder is sentenced to three years of probation and 480 hours of community service stemming from her conviction for shoplifting $5,500 worth of designer clothes and accessories from Saks Fifth Avenue in Beverly Hills. She was also ordered to pay $10,000 in fines and restitution.

2000: Actor Werner Klemperer, best known for the role of Colonel Klink on the sitcom "Hogan's Heroes," dies from cancer at age 80 in New York City. Klemperer (seen here in a "Hogan's Heroes" publicity photo with Bob Crane) was born in Cologne, Germany, in 1920, but his family fled Germany in 1935. He began a professional acting career on Broadway after serving in the U.S. Army during World War II. He earned Emmy nominations for Outstanding Supporting Actor in a Comedy Series for each year of "Hogan's Heroes'" six seasons, winning the award in 1968 and 1969.

1998: In Venezuela, former Lt. Col. Hugo Chavez is elected president. He had staged a bloody coup attempt against the government six years earlier.

1995: Michael Jackson is hospitalized after collapsing in a New York theater while rehearsing for a TV special. It's later revealed the incident was caused by a stress-related panic attack.

1994: Orange County, California, one of the richest counties in the U.S., files for bankruptcy protection due to investment losses of about $2 billion. The county lost at least $1.5 billion through high-risk investments in derivatives, leading to criminal charges against county treasurer Robert Citron. The bankruptcy was the largest municipal bankruptcy in U.S. history until Jefferson County, Alabama, filed for Chapter 9 bankruptcy in 2011.

1993: Actor Don Ameche, whose career started in vaudeville and spanned nearly 60 years, dies of prostate cancer at the age of 85 in Scottsdale, Arizona. Some of Ameche's most memorable roles came at the tail end of his career, in movies like "Trading Places," "Cocoon" and "Corrina, Corrina."