Megathread: Sean Spicer WWII gaffe

This afternoon, in a White House briefing, Press Secretary Sean Spicer made the erroneous claim that Hitler and Nazi Germany did not use chemical weapons, drawing a comparison to recent events in Syria. Several clarifications were later made.

As a reminder, the purpose of megathreads is to consolidate posts that would otherwise overwhelm the front page of the sub.

##Submissions that may interest you