This definition of World War II (Urban Dictionary) provides evidence that the dictionary is not just for looking up dirty words and colloquialisms in English. With minor edits, it is reproduced here:

1. Germany invades Czechoslovakia.
2. Britain and France tell them to stop that bullshit.
3. Germany invades Poland. (Russia also invades Poland from the other side: everybody forgets this.)
4. Britain and France declare war; this is the ‘official’ kick-off.
5. Italy, Bulgaria, Hungary and Romania all join the German side. (Everybody forgets the last three.)
6. Axis forces go through Europe like Vindaloo through a colostomy.
7. Nazis exterminate Jews, gays, gypsies and the disabled. (everybody remembers the Jews, but forgets the rest.)
8. UK holds out.
9. Russia and the USA don’t do shit.
10. Entire divisions of Danish, Belgian, Dutch, Norwegian, French and Serbian volunteers join the Axis armies and the SS. (everybody forgets this and, to listen to them now, they were all in the fucking resistance, which must have been MASSIVE.)
11. Axis forces invade Russia; suddenly the Russians don’t think it’s funny any more.
12. Japan joins the Axis and bombs Pearl Harbor; suddenly the US doesn’t think it’s funny any more.
13. The USA tools up the world ‘cause it’s got more factories than everybody else put together and they’re out of bomber range.
14. Axis runs out of steam in Russia ‘cause Russia’s enormous and bloody freezing.
15. Allies invade on D-Day; there are five landings: two British, two American, one Canadian. (everybody forgets the Canadians.)
16. Hitler ends up smoldering in a ditch; Russians find the body and confirm he only had one ball (seriously).
17. The US decides invading stuff is a pain in the ass and invents the atom bomb instead; drops two buckets ‘o sunshine on Japan.
18. Russians steal half of Europe.
19. The UK’s spent almost every penny it had.
20. The US starts telling everybody how it was all about them and, 64 years later, is still doing so.