Witness History: Witness Archive 2015

There was a frenzy of celebrations on New Year's Eve 1999. But amid the partying, there was also some anxiety over the effects of a potential global computer meltdown, the so-called Millennium Bug - or Y2K.(Photo: The White House Y2K Crisis Centre in Washington in 1999. Credit : AP)

In 1935, Alexei Stakhanov, a coal miner, became a Soviet celebrity. He invented a more efficient coal production method and started a movement to encourage innovation amongst Soviet workers. His daughter, Violetta Stakhanova, tells Dina Newman about her father's achievements and his eventual downfall. Photo: Alexei Stakhanov at work, 1935. Credit: Stakhanov family

In December 1916, the infamous mystic, Grigori Rasputin, was murdered by Russian aristocrats. Rasputin, a Siberian peasant and wandering holy man, had become a powerful figure at the Russian Imperial court. The Czar and his wife believed Rasputin had special powers that could heal their son, who was suffering from haemophilia. Using written accounts and archive recordings of those who had met Rasputin, we tell the story of the 'Mad Monk'.(Photo: Grigori Rasputin, Russian monk and courtesan. Credit: Dmitri Wasserman/Getty Images)

In 1846, a group of pioneers were trying to reach California by wagon train when they were trapped by snow over the winter - and some were forced to eat each other to survive. Their gruesome story has become a legend of the American West.PHOTO: The slopes of Mount Whitney in the Sierra Nevada range, near Lone Pine, California, USA. 20/04/2008.

On Christmas Day 2003, an unmanned British space craft called Beagle 2 was due to touch down on Mars and begin searching for evidence of life. The mastermind of the mission, Professor Colin Pillinger, had helped to generate huge public interest in Beagle 2. But the lander failed to communicate and was presumed lost. It was discovered on the surface of Mars in January 2015, less than a year after Professor Pillinger’s death. Rob Walker has been delving into the BBC’s archives to hear Colin’s Pillinger’s account of the daring mission and has also spoken to his daughter, Shusanah.(Photo: Lead Scientist, Colin Pillinger, poses with a model of Beagle 2 in November 2003. Credit: Scott Barbour/Getty Images)

In December 1946, the classic Christmas film "It's a Wonderful Life" had its premiere in Hollywood. Starring Jimmy Stewart, the movie's message of hope and redemption is loved by millions. Simon Watts talks to former child star, Karolyn Grimes, who played six-year-old Zuzu Bailey.PHOTO: Karolyn Grimes with Jimmy Stewart in "It's a Wonderful Life" (Getty Images)

In 1982 the world's best selling album was released. Thriller included hits such as Beat It, Billie Jean and Wanna Be Startin' Somethin' as well as the title track. Witness speaks to Anthony Marinelli who worked on the seminal album.(Photo: Michael Jackson and assorted zombies in the video for Thriller in 1983, publicity handout)

One of the 20th century's most scandalous books was published in 1955. Lolita, by Russian émigré Vladimir Nabokov, tells the story of the relationship between middle-aged Humbert Humbert and teenager Dolores Haze - known as Lolita.(Photo: Visitors look over a poster of Lolita by Stanley Kubrick during the 'Palazzo delle Esposizioni' exhibition in Rome, 2004. Credit: Vincenzo Pinton/AFP/Getty Images)

In December 1945, one of America's most famous miltary commanders, General George S Patton, died from injuries sustained in a car crash, just months after the end of the Second World War. Witness talks to his grandson, George Patton Waters, about his memories of this colourful and often unorthodox man.Photo: General George Patton in Paris in August 1945 to celebrate the first anniversary of the city's liberation. (Credit: AFP/Getty Images)

In December 1995, the first disability rights legislation was passed by India's parliament. An estimated 60 million people, almost six percent of India's population, are affected by physical or mental disabilities. Witness been speaking to Javed Abidi who led the campaign to change the law.Photo: Disability rights campaigners protest in Delhi, December 19th 1995. Credit: Javed Abidi)