Arguably, if you had to pick one day that mattered most in the 20th Century, I'd say that D-Day would be that day. 

But how much do we really know about D-Day?  What importance do we place on it?   

I decided to canvass the internet as a kind of ad hoc method of determining what people regarded as the top events in 20th Century world history.  After reading many accounts, it ran the gamut: the Assassination of JFK, Apollo 11's First Steps on the Moon, the Challenger Disaster, the Assassination of Franz Ferdinand...and many others.

I talk about the results of that research project in one of the emails that you receive when you opt in to The D-Day Experience.

But what was so surprising to me is that D-Day was not in the top 10 of any of those lists I found.  

Was this a mistake of ignorance, omission or commission?  

You could probably make an argument for all three, but my immediate answer--giving society the benefit of the doubt--was that it's probably just the result of basi...