Studied WW1 in school but never went hard on the July Crisis that started it.
Read up on it now and feeling like the Treaty of Versailles was a lot less unfair than I previously thought.
@goatsarah The Rest Is History did a good series on the build up, if you like that sort of thing.
@goatsarah Starts Episode 465 with a 4 parter on the Assassination of Franz Ferdinand
https://therestishistory.com/465-the-murder-of-franz-ferdinand-the-killer-part-1/
followed by 6 episodes on "The Road to War"