Is this even possible? If so, how? During what time period? Led by which Korean General? Defended by which Shogunate or Taiko or Regency?
Disclaimer: The Mongol Invasions of 13th century cannot count as a "Korean" invasion.
A very possible butterfly is that Denise Crosby might be enough young female presence to prevent Gates McFadden from getting her big contract in Season Three. For those of you who don't know... Gates McFadden quit after Season One due to money disagreement contract issues with the exec...
Being an "airdale" (Naval Aviation snob) I would have no idea what ships the Navy has outside of the 12 aircraft carriers that our squadrons use as temp airfield.
Being a West Coast Navy snob on top of that, I only give a damn about 4 of those 12 carriers. hahaha.
The biggest butterfly would be the naming of aircraft carriers...
then CVN 76 would be named Ford not Reagan in his honor of death (because Reagan would still be a living person). CVN 77 then would probably be named Reagan not GHW Bush, and CVN 78 would might not even be named Bush Sr...
For a while after the movie Volcano (LA) movie came out in mid-90s,
Anne Heche was considered "hot property" by the Hollywood moguls,
however, the publicity of the Ellen Degeneres relationship and the flop
of Wag the Dog political movie dropped her off the A list.
Then to compound the...
...the plane carrying the Marshall University football team, coaches, and fans did not crash but instead landed safely.
How would this change history in a noticable way?
It's a little earlier than late 1980s, but not bad.
Specifically then, what does the President do to America which makes General NS want to seize control?
AH challenge: With a POD no earlier than late 1980s, what kind of a scenario would General NS feel it was his duty to take control away from the US President and get the US military to back his actions to takeover the Presidency through a Junta?