@ Nanwe
¿No sería bueno que se comenzaron a emplear en los Ministerios unas gentes que por lo menos supiesen ya leer y escribir?
Intrigued: where's your quote from, please?
Stephen Fry wrote a book on this subject, called Skriva Historia in Swedish* (Making History in English, IIRC): Hitler didn't happen, so, as specified by the Divine Pratchett, a worse dictator came along instead. It didn't end well, and everybody died, horribly.
* Borrowed from an IKÉA...
Award Hannover to the British crown? The fact that the kings of England were also the Electors of Han(n)over caused all sorts of amusement in the 18th century.
Or, buggerit, just re-animate the Holy Roman Empire.
Absent the atomic bomb, one of many options mooted by the Allies to wear down the Japanese (in view of the enormous projected cost in lives of invading the Japanese Home Islands) was to mass-produce the German V1 'doodlebug' and launch them in vast numbers from Okinawa.
Lovely piccie! Doubt that Warrior would want to let Monitor in that close IRL, and given that she could make more than twice a monitor's speed, she could insist on it: but who cares, it's nice!
First thing, Harold II Godwínson goes home to the lovely Ealdgȳð Swann hnesce [aka Edith Swan-neck] and they rejoice exceedingly; maybe he even takes his boots off first.
Otherwise, depends on where the PoD is: for example, no invasion by Tostig Godwínson means no battle of Stamford Bridge...