The Kremlin's incursion into Ukraine has become the most costly conflict for Russia since World War II, while the number of Ukrainian casualties may be as high as 100,000.
The Sopwith 1½ Strutter has been given a new lease of life by aviation enthusiasts in Scotland.
The mandatory term for service for conscription in Russia was reduced from two years to one year in 2008.
"I don't think the French expect me to respond to tweets," the country's president said.
"It doesn't matter if those who don't believe in multilateralism aren't there," a French official said.
The offensive sparked the collapse of the German army and arguably heralded the birth of modern warfare.
America is reasserting its role as a dominant, deterring force on the international stage.
Sergeant William Shemin and Private Henry Johnson were recognized "for conspicuous gallantry" nearly a century after serving.
War casualties used to be a bone of contention. Now it seems India has forgiven Britain its broken promises.
A hundred years after the Great War, Europe's past isn't past at all