Irish nationalist extremist plot an armed uprising against British rule and reach out to Germany for assistance.
We take a break from the historical narrative this week as listener Brent asks the questions that (hopefully) you wanted answered.
We conclude the four-part series on military moves in 1916 in the Great War with Brusilov's Offensive and the Battle of the Somme.
Austria begins an offensive against Italy, Russia gears up a counteroffensive in Galicia, and the British and German Navies have it out in the Skagerrak.
The fighting continued at Verdun as the Russians prepare an offensive of their own to relieve the pressure on France. A German U-boat mistakenly sinks a passenger ferry in the English Channel, triggering another controversy over submarine rules of engagement.
The third year of the war opens with Britain and Germany as the mainstays of their respective alliances. The German Chief of Staff tries a bank shot: cripple Britain by wounding France.
Turkish forces defeat a British force attempting to take Baghdad, but that doesn't stop the British and the French from divvying up the postwar Middle East. Also, the Russians advance, the Italians don't.
Venustiano Carranza is gaining momentum in the struggle over the future of Mexico, but Pancho Villa is not ready to give up. The Germans hope to lure the US into intervening, then Pancho Villa decides provoking the US is also in his interests.