Soldiers of the 70th division of the American 7th Army hold up a Nazi flag and a portrait of Adolf Hitler, taken during the World War II capture of Saarbrucken. (Photo by Horace Abrahams/Keystone/Getty Images). 22nd March 1945

A .44 Colt Dragon with a traditional Cowboy's hat. This weapon was originally used in the Mexican War of 1846-8 and it is typical of the type used in the “Wild West” of America. (Photo by Orlando /Three Lions/Getty Images). Circa 1950

Two dogs sent into outer space by the Soviet Union after their safe return to earth. They spent 22 days in orbit. (Photo by Central Press/Getty Images). 22nd March 1966

The two dogs Travis, 10, and Gus, 5 have become an Internet hit on Instagram. These images were taken by Canadian photographer Steph McCombie. (Photo by Steph McCombie/Instagram)

Despite their thick fur, this group of dogs and puppies in China feel the cold. Luckily, in the winter, they're allowed to huddle round a staff canteen stove in their home in Jiulongjiang Forest Park, Rucheng County.

A man walks his dog as the sun sets in a park in Frankfurt, Germany, Monday, September 18, 2017. Cool damp weather is set to continue in this part of Germany for the next few days with temperatures in the mid teens Celsius. (Photo by Michael Probst/AP Photo)

A woman walking with a dog battles through heavy rain and blustery conditions during the morning on Wimbledon Common in London on October 2, 2020 as storm Alex brings strong 70mph gale force winds to many parts of the UK. (Photo by Amer Ghazzal/Alamy Live News)