The battle of Long Island
Bull Run.
The Battle of Trafalgar.
Defeat of the German/Nazi forces in WW2.
I don't know about major, but the first naval battle in the historical record was Hittites defeat Cypriots near Cyprus
the D-day invasion at Normandy
Bull Run.
First Bull Run
First Manassas(Bull Run) July 21, 1861.
The Battle of the Nations which was one of Napoleon's major defeats. It was the largest European battle prior to World War One.
The Germans suffered a major defeat at Stalingrad in southern Russia on the Volga River during World War II in 1943. This battle marked a turning point in the war as it halted the German advance into the Soviet Union.
The city of Stalingrad .
The Battle of Trafalgar.
the Continental Army's first major victory was at the battle of Saratoga.
The Battle of Trafalgar.
The First major battle was Bull Run, where an expected Union victory was turned into a defeat
Defeat of the German/Nazi forces in WW2.
The second Battle of El Alamein.