[oracuk]

It was one of our (many) great failings and as a nation we have accepted that:

Prime Ministers Apology: http://www.theguardian.com/world/2009/sep/11/pm-apology-to-a...

Royal Pardon: http://www.telegraph.co.uk/history/world-war-two/10536246/Al...

[natch]

Is it possible to knight someone posthumously? Has this happened?

[crazypyro]

No. No. In fact, in past times ( of kings and queens), one man was killed in a battle and his brother was given a much higher title because you cannot give the honorable title to a deceased individual.

[thathonkey]

Well, at least there's that.