If I was a teacher, I would be bookmarking the impressive bit of research which enabled the Guardian to run a story on 12.2.14 saying:
When British forces pull down the union jack for the last time in Afghanistan this year, it will be a hugely symbolic moment. It is not just that the departure marks the end of 13 years of British involvement in combat in that troubled country. The surprise is that it could also signal the end of a century or more of unbroken warfare by British forces.
Next year may be the first since at least 1914 that British soldiers, sailors and air crews will not be engaged in fighting somewhere – the first time Britain is totally at peace with the rest of the world
The back-up material, offering opportunities for reading and research, is all at http://interactive.guim.co.uk/embed/2014/feb/100-years-of-war/index.html#24/
Another good subject for further exploration is, of course, the story of Jose Salvador Alvarenga, the Mexican fisherman who apparently survived more than a year adrift at sea by eating turtles, fish and birds, and drinking their blood. There was a good line in one report I read about how he survived by holding his nose so he could swallow raw flesh without being sick but his young companion could not do it, and died.