Turtledove, Harry. "Ready for the Fatherland"
Divergence: 1943 CE
What if: Hitler was shot and killed by one of his generals on Feb. 19, 1943, in retaliation for an insult, and his successors made peace with the Soviets.
Summary: In 1979 fascist Croatia, British agents meet with a Serbian partisan seeking weapons.
Published: In What Might Have Been? Volume 3: Alternate Wars (eds. Gregory Benford and Martin H. Greenberg), q.v.; and Counting Up, Counting Down, Ballantine/Del Rey 2002 (0345442261BUY), 2005 (0345477987BUY).