Room 40 read some 15,000 German signals, the Zimmermann Telegram brought the United States into the war, and Mata Hari turned out to be a media figure. How intelligence was gathered in 1914-1918.
Roughly 8 million horses, mules and donkeys, over 100,000 homing pigeons and tens of thousands of dogs: how animals carried the logistics, communications and medicine of 1914-1918.
A railway gun strips 15 points per round, infantry only 0.3. Here is how damage splits across a province, how much HP a factory and a fortress hold, and when ruins stay ruins.
The unofficial ceasefire on the Western Front, 24-26 December 1914: around 100,000 soldiers, the truth about the football match, and why it never happened again.
Artillery caused roughly 60% of battlefield casualties in 1914-1918. A guide to gun types, Big Bertha and the Paris Gun, the shell crisis, the creeping barrage and counter-battery fire.
How auto-recruitment works in Frontkrieg: a 4,000-money recruiting office yields an infantryman a day, a barracks pushes it to 2.5. The numbers, payback and upkeep.