For the last two weeks I have been listening to one of the most detailed podcasts on the First World War.
If you want to delve deep into how the First World War happened, then read on.

The assassination of Archduke Franz Ferdinand, heir to one of the world’s greatest empires, in June 1914, set in motion a series of events that would culminate in the First World War, where more than 15 million people would lose their lives.
The Murder of Franz Ferdinand: The Killer (Part1)
https://overcast.fm/+ABClHgmqa6U
The Murder of Franz Ferdinand: The Conspiracy (Part2)
https://overcast.fm/+ABClHh0WlVU
The Murder of Franz Ferdinand: The Victim (Part3)
https://overcast.fm/+ABClHi0Vyz8
The Murder of Franz Ferdinand: The Crime (Part4)
https://overcast.fm/+ABClHhGhKCE
The Road to The Great War: Countdown to Armageddon (Part1)
https://overcast.fm/+ABClHjBa5Cs
The Road to The Great War: The Kaiser's Blank Cheque (Part2)
https://overcast.fm/+ABClHhJ3oFs
The Road to The Great War: The Austrian Ultimatum (Part3)
https://overcast.fm/+ABClHhC-y3Q
The Road to The Great War: Britain's Fateful Choice (Part4)
https://overcast.fm/+ABClHisV1RQ
The Road to The Great War: The Tsar Chooses War (Part5)
https://overcast.fm/+ABClHj8kU0s
The Road to The Great War: The Lights Go Out (Part6)
https://overcast.fm/+ABClHjL5wpo
History Does Not Repeat Itself, But It Rhymes!