I know of a handful of near-death experiences of four Fascist/Right-Wing dictators:
Adolf Hitler/Francisco Franco (1916)
At the first Battle of the Somme, Hitler was stabbed in the groin by a French Bayonette, losing a testicle in the process. Similarly,
el Caudillo Francisco Franco lost a testicle while serving in Morocco. Their injuries could've been fatal if one of their vital organs had been punctured or if they'd become infected. With the poor antibiotics of the time, chances are that they would've died. (I'm particularly fond of this one, because it means that we'd have lost *two* of the most brutal fascist dictators in the same year to the same kind of injury. Talk about a coincidence!

)
Adolf Hitler (1918)
Adolf Hitler was sprayed with Mustard gas at one point, rendering him temporarily blind. Had he been unable to put his gasmask on, he'd likely have died from inhaling the chlorine in the air.
Benito Mussolini (1915-1917)
During WWI, Mussolini suffered two near fatal incidents. In early 1916, he contracted Paratyphoid Fever, which could've easily killed him if it had gone untreated of . In 1917, Mussolini was badly injured when a motar went off in the trench he was stationed in. Just a few steps closer to that mortar, and the founder of Fascism would've become another casualty of the Great War.
Miklós Horthy (1917)
Horthy was wounded during the Otranto Barrage, and even fell unconscious. A more serious injury could've easily made him a footnote in Hungarian history. Horthy planned another raid shortly after, which involved the battleships of the Austro-Hungarian navy. Italian MAS torpedo boats sunk the
Szent István, causing him to cancel the mission. Perhaps, in an alternate timeline, the MAS torpedo boat sunk the ship Admiral Horthy was on (or maybe he was on the
Szent István when it sunk).