-Richard Sorge killed prior to June 1941, or even October 1941
-Lockheed begins development of the L-133 in 1939 with its own money, probably with a prototype by mid-1941
-Doble Steam Motors decides to invest in Nathan Price's jet engine, first *built* in 1934 with comparable performance to aircraft of the day but then allowed to languish (in which case the L-133 might be available in 1940 and second-generation jets around by the early part of the war)
-Soviet or German/Canadian inventors develop crude transistors in the late 1920s
-Goddard gets military or additional civilian funding in the early 1920s
-First atomic pile in Chicago goes critical in 1942
-Stalin dies of a stroke in 1937 or 1947
-Beria succeeds in taking control of the Soviet Union and settles accounts with the West, allowing German reunification in 1955
-Peron does not kill off the viability or credibility of Argentina
-Apollo 11 runs out of fuel on the lunar surface
-Apollo 1 succeeds but Apollo 11 fails
-DC vs Heller court case goes 5-4 *against* Heller
-Nuclear torpedo from Soviet submarine in 1962 is fired against US fleet (Thank you, Mr. Vasili Arkhipov)
-Computer errors from Cold War that might have caused World War III
-Accidental atomic destruction in North Carolina or New Mexico following accidents involving nuclear weapons
-JFK survives his term
-Cuba completes the Juragua nuclear power facility in Cienfuegos province (started in early 1980s), with Chernobyl-style VVER-440 reactors
-1991 Iraq War with ouster of Saddam
-Shah of Iran dies of Leukemia 2 years earlier
-Revolt of the Admirals succeeds in drawing money away from the Air Force for supercarrier construction
-French breakdown of leadership in February 1899 becomes more severe and prompts intervention by Bonapartists, Orleanists, and possibly foreign powers with additional conflict among pro-Dreyfuss and anti-Dreyfuss factions.
-Napoleon the Monarchist, Sailor, or Cardinal
-Erich Kordt kills Hitler in July of 1939 (variant on Oster conspiracy) or
-Johann Elser kills Hitler in October 1939 along with most of the Party leadership (Goebbels, Frank, Heydrich, Himmler, Hess, Frank, Ley, Rosenberg, and Streicher among others). Goering and Bormann are about all that's left by that point...