An upstairs window opened in Verdun Crescent, hands clapped to dismiss a cat rooting in a flower bed.

NEWYORKER: Bravado

The bell of the destroyer HMS Verdun, which served in WWI, was rung twice in honour of the war dead.

BBC: Millions mark lost WWI generation

There have been moving history moments, like in 1984, when Francois Mitterrand and Helmut Kohl held hands at a World War I cemetery in Verdun.

BBC: Europe: A week of speeches and symbolism

Schools will be encouraged to take groups to battlefields - such as the Somme, Verdun and Fromelles - and take part in remembrance ceremonies on the Western front, say officials.

BBC: ?5m pledge for school World War I battlefields trips

The remains of 130, 000 unidentified soldiers are kept in the ossuary at Douaumont, near Verdun, but disagreement on how the remains should be dealt with meant Douaumont was not officially inaugurated until three years ago, in a ceremony attended by the late President Mitterrand and the former German chancellor, Helmut Kohl.

ECONOMIST: The world��s way of death

But this digital Battle of Verdun is not the only challenge for Google as Mozilla is also launching its mobile operating system: FirefoxOS. To make a long story short, FirefoxOS is the equivalent of ChromeOS for smartphones: a light-weight mobile operating system where the user interface and all applications are web-based.

FORBES: How Alibaba And Mozilla Are Trying To Break Google And Apple Duopoly On Smartphone