Answer:
the Battle of Adwa
Started 1st of March 1896 Ended 2nd of March 1896 so it only lasted 2 days
it was located 14°1′8″N 38°58′24″E Coordinates: 14°1′8″N 38°58′24″E
and it end with Ethiopian victory
but it was started by Menelik
In September of 1895, Menelik, king of the southern province of Shoa, called the population of Ethiopia to arms. He began to lead a massive force of some 100,000 men northward toward the Italian-occupied territories