Sorry if it has already been mentionned, and it is probable that some of you already knows this youtube channel: World War Two
As the title of this thread says, this youtube channel covers WWII week by week. If you want to know more about WWII, I think it is a good way. I personnaly have this channel in my favorites. Compare to the average french people I think I know a lot about the WWII in PTO, but I'm also sure I'll learn a lot of things. Because this front in french school are very, very rarely mentionned.
The "show" started in September 1st 2018, so there is already a lot of videos.
An other channel, actually the presenter was the same, made the same thing for the centenary of WWI, it is called The Great War
. Obviously the war itself is already completely covered, so it will take you some weeks to see everything if you want to do so.