An undated archive picture shows a dog pulling a Belgian machine gun at an unknown location in northern France. A Viscount in the Armoured Cavalry Branch of the French Army left behind a collection of hundreds of glass plates taken during World War One (WWI) that have never before been published. The images, by an unknown photographer, show the daily life of soldiers in the trenches, destruction of towns and military leaders. The year 2014 marks the 100th anniversary of the start of WWI. REUTERS/Collection Odette Carrez (FRANCE - Tags: CONFLICT ANNIVERSARY MILITARY TPX IMAGES OF THE DAY ANIMALS)

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Young girls play with their dog, January 29, in front of a mural depicting Bloody Sunday when British paratroopers shot dead thirteen civil rights protestors on January 30, 1972. Thursday marks the 25th anniversary of the massacre.

BRITAIN NORTHERN IRELAND 

Prince Albert II of Monaco watches as Angus, a dog from the Canadian Department of Agriculture, is urged to sniff luggage for illegal agricultural products at the Calgary Airport on February 7, 1988. Prince Albert arrived with the Monaco four-man bobsleigh team to participate in the Winter Olympics starting on February 13. REUTERS/Rick Wilking 

Israeli emergency workers assisted by two dogs go through the rubble of a collapsed residential building January 25, 1991 when the area was devastated by an Iraqi Scud missle attack. It was the fifth Iraqi missile attack against Israel, and at least one person died and 40 were wounded. Reuters/Ulli Michel /landov BEST QUALITY AVAILABLE 

President Bush (L) gets a grand welcome home to the White House from granddaughter Jenna (C) after returning from Philadelphia, September 12, 1991. The president's son George W. (Jenna's father) is at rear and her mother Laura Bush is at right. One of the president's dogs is in the foreground. REUTERS/Rick Wilking 

A young girl holding a toy gun poses for a picture with her dog in northern district of besieged Bosnian capital of Sarajevo July 1, 1992. REUTERS/Danilo Krstanovic 

Prince of Wales looks at his show after stepping in dog excrement as he visited the old town of Prague January 4th 

President-elect Bill Clinton (R) shakes hands with President George Bush as he and his wife Hillary (2nd from R) arrive at the White House, January 20, 1993. Clinton will replace Bush as Commander-in Chief in an inauguration ceremony later today. On the left is first lady Barbara Bush and in the foreground is the Bushes dog, Millie. REUTERS 

A taxi driver is pulled out of his car and attacked by a police dog during demonstrations in the business district of Johannesburg February 1. At least 11 people including six policemen were injuredand three killed during rioting which broke out between taxi owners and police 

A Filipino boy plays with dogs inside a cramped cage in this northern town of La Trinidad in the province of Benguet recently. About 20 dogs are butchered daily to be sold in nearby restaurants serving dog meat delicacies. Picture taken 3Apr93 

A man hooks a dog from it's cramped cage April 3 before it is butchered and sold in nearby restaurants serving dog meat delicacies in this northern Philippines province of Benguet. A dog costs from 500 pesos to 1000 pesos (US dollars 20-40 

A Dutch student tries to escape from a police dog when a demonstration to protest against drastic government cutbacks in student financing and free transportation got out of control May 8 in The Hague 

American actor Robert DeNiro (R) arrives at the Fesitval Palace for a press conference for the film "Mad Dog and Glory", by director John McNaughton, out of competition, at the 46th Cannes FIlm Festival, May 16 

American actor Robert DeNiro seen during a photo call for the film "Mad Dog and Glory" by director John McNaughton, out of competition at the 46th Cannes FIlm Festival 

American actor Robert De Niro poses with actress Uma Thurman during a photocall shortly before a press conference about their movie "Mad Dog and Glory" out of competition in the 46th Cannes film Festival 

American actor Robert DeNiro (L) and actress Uma Thurman stand above the port at Cannes for their film "Mad Dog and Glory", out of competition, by US director John McNaughton at the 46th Cannes Film Festival, May 16 

Actress Elizabeth Taylor poses with Elizabeth Arden executive Joseph X. Spellman (C) and a set of her new line of perfumes, the "Frangrant Jewel Collection," during a promotional appearance in New York September 20. The jeweled bottles Taylor is reaching for are from a special edition set valued at $100,000 each. The dog is named "Sugar 

Actress Elizabeth Taylor poses with a bottle of perfume during an appearance in New York September 20 to promote new additions to her "Fragrant Jewel Collection." The dog is named "Sugar 

An English soccer fan screams as he is bitten by a police dog October 13th after clashes between Dutch and English soccer fans in downtown Rotterdam 

A French rescue worker leads his dog out from the tunnels December 17th, as the search for survivors under the 12-storey apartment building which collapsed go into the seventh day 

A resident of Venlo gets his dog in a life boat after his house has been flooded, December 23. Heavy rains has lifted the water level of the river Meuse up to the highest level since 1926 

Alina Maria Salgado Fernandez, the 16-year-old granddaughter of Cuban President Fidel Castro, plays with a family dog December 27 

Vietnamese women sell roast dog at a streetcorner market in Hanoi January 5 

Lisa Cushing of Manassas, Virginia hawks her Bobbitt trial T-shirts near television transmission trucks on the grounds of the Prince William Judicial Center January 11, 1994. Ripple, her dog, models a shirt. SCANNED FROM NEGATIVE. REUTERS/Gary A. Cameron AVD 

George, the Basset Hound, and his owner, Michelle Wilson, perform during the launch of new training techniques by the Association of Pet Dog Trainers (APDT) February 4th. APDT claimed their unconventional and kinder methods of training have transformed George from withdrawn and unresponsive into happy, obedient and friendly 

US figure skating champion Tonya Harding is dogged by media as she leaves her Portland apartment to go meet with her lawyers February 6 

A little girl gets a ride on a dog carriage in one of Beijing's park fair February 13. Though with a ban on rearing canines in Beijing, officials are finding it embarrassing to enforce it in the year dedicated to the dog 

French President Francois Mitterrand (L) leaves the polling bureau flanked by Chateau-Chinon's mayor Pierre-Yves Signe (R) and the dog of President's wife Danielle Mitterrand 

Classical Cambodian dancers performing in front of a buddhist temple in Phnom Penh on the first day of Khmer New Year April 13. Cambodians celebrate the year of the dog by visiting temples throughout the country 

UNDATED RECENT FILE PHOTO - French police follow a sniffer dog trained to find explosives outside the Channel Tunnel during a security training session in this file photo 

The owner of a dog meat restaurant hands cash to a vendor at a dog-meat counter in a public market in Yanbian prefecture of northeast China's Jilin province. Officials are concerned that the traditional appetite of local ethnic Korean Chinese for dog ribs, dog tongue, dog skin and even dog penis may hinder the remote border region's ability to attact foreign investors, especially those from Western countries where dogs are regarded as "Man's best friend" rather than food 

France's President of the Republique Francois Mitterrand looks at his dog Baltic which is swimming in a wash house, after climbing the rock of Solutre, center of France, on his annual White Sunday walk, May 22 

France's President of the Republique Francois Mitterrand looks at his dog Baltic which is swimming in a wash house, after climbing the rock of Solutre, center of France, on his annual White Sunday walk, May 22 

Hoser" the fire dog reaches up to lick President Clinton across his face, during an impromptu visit to the Emmitsburg fire station July 3 

Thad Prevost with the Army National Guard QM Detachment from Wetumpka, Al. pulls out a stranded dog July 9 from the overflow of the Flint River aiding the Humane Society of United States as Edward Hill with the same unit steadies the boat in Albany, Ga 

An Atlanta, Georgia, Humane Society worker tries hooking a stranded dog in a house that lost a wall from the flooding of the Flint River July 10. The flooding has claimed at least 26 lives 

A wounded dog is carried by Bosnian Army soldiers after it was shot by a Bosnian Serb sniper August 1 

A Cuban family arrives in the United States with their family dog at the Coast Guard station in Key West, Florida after being rescued at sea by the Coast Guard cutter Point Baker, August 18 

Cathay Pacific's first A330-300 airbus roll-out Aug 31 at Airbus Industrie in Toulouse. It is the first Asian airline to use the Airbus and this model features Rolls Royce engines for the first time. Dancers dressed as Chinese dancing dogs take part in the ceremony (foreground 

FILE PHOTO OF 1OCT94 - Former French pin-up actress Brigitte Bardot pictured during a TV show at the north Paris animal shelter of Gennevilliers, October 1, 1994. Bardot is to attend an international congress on stray dogs in Bucharest February 6-8.

BARDOT 

A man walks his dog on the Loyalist side of one of west Belfast's peace walls October 5. The thirty-foot high wall separates the protestant Shankill area from the catholic Springfield district 

French President Francois Mitterrand leaves his hotel with his dog Baltic on the Brittany island of Belle Ile en Mer October 7 where he is passing a short vacation 

French President Francois Mitterrand and his wife Danielle leave their hotel with their dog Baltic for a walk as they take four days of holidays on the Brittany island Belle Ile, in western France October 7th 

French President Francois Mitterrand leaves his hotel with his dog Baltic for a walk as he takes four days of holidays on the Brittany island Belle-Ile, in western France October 7th 

French President Francois Mitterrand leaves his hotel with his dog Baltic for a walk as he takes four days of holidays on the Brittany island Belle-Ile, western France October 7 

French President Francois Mitterrand gestures as he leaves his hotel with his dog Baltic for a walk as he takes four days of holidays on the island Belle Ile en mer western france October 9 

French President Francois Mitterrand gestures as he leaves his hotel with his dog Baltic for a walk as he takes four days of holidays on the Britain island Belle Ile en mer western france October 9 

Birdwatchers and their dog look out from a blind in the 1200 acre Montgomery Wildlife Sanctuary l00 kilometres south of Montreal, on October 12. With the duck-hunting season in full swing, waterfowl find safe haven in the refuge, where over 200 species of birds have been recorded 

French President Francois Mitterrand comes back to his hotel with his dog Baltic at Belle Ile for five days of holidays on the french Britain island October 11 

Sula Kappe grabs an exhausted dog, swimming in eighteen foot deep water, by the collar as she makes a trip to inspect her property in the Moonshine Hill subdivision on the banks of the San Jacinto River north of Houston, October 19. The dog, named "Tails" was later reunited with its owner Glen Sykes, who's house had washed away with all of his belongings 

Former Junior Minister Tim Smith walks with his wife Jennifer and pet dog "Tharkey" in Battersea park, October 21 

Prince Charles walks with one of his dogs after a day out in the Highlands October 22. The Prince is staying at the Queen-Mother's residence, Birkhall, near Ballater 

Martina Navratilova holds her dog "KD" (Killer Dog) as she is introduced in ceremonies at the Virginia Slims Championships in New York's Madison Square Garden, November 20 

Russian artist Oleg Kulik imitating a dog, jumps on the car of a scared Muscovite as his colleague Alexander Brener, representing his owner, tries to hold him back during an exhibitionist action in the centre of Moscow on November 23. The artists staged the action protesting against modern Russian society 

Russian artist Oleg Kulik imitating a dog, jumps on the car of a scared Muscovite as his colleague Alexander Brener, representing his owner, tries to hold him back during an exhibitionist action in the centre of Moscow on November 23. The artists staged the action protesting against modern Russian society 

The Prince of Wales talks to locals in the "Dog and Bull" pub in Surrey Street market, Croydon during a visit to South London, November 29 

The Prince of Wales holds a pint of beer he has just pulled in behind the bar of the "Dog and Bull" pub in Surrey Street market during a visit to South London, November 29th 

Smokey the Labrador retriever has been sentenced to die by lethal injection for chasing three mail carriers, even though the animal never bit anyone 

A Taiwanese woman holding her dog walks underneath a giant poster which is part of an advertisement for the Sexual & Life Information Exhibition in Taipei December 8 

A rescue worker watches as his sniffer dog checks the debris near a car after a five metre high brick wall collapsed when high winds hit the north of France, December 8th. Winds of more than 80 kph blew down a 40 metre section of a brick factory wall, causing damage, but no injuries