Reddit mentions of The Untold History of the United States

Untold History of the US does a pretty good job of this, but I won't say it's a particularly fun read.

ITT: Lots of people who don't know that Russia caused Japan's surrender, and that the atomic bombs went largely un-noticed by Japan.

https://en.wikipedia.org/wiki/Soviet%E2%80%93Japanese_War_(1945)

https://www.reddit.com/r/AskHistorians/comments/2uhb04/what_was_japans_immediate_reaction_to_the_atomic/

Do yourselves a favor, it's on Netflix and Amazon.

http://www.imdb.com/title/tt1494191/

https://www.amazon.com/dp/B0043RSK3K/ref=dp-kindle-redirect?_encoding=UTF8&btkr=1

https://www.netflix.com/title/80127995