Operation Sea Lion refers to Hitler's plan to invade Britain during WWII. Although it was never carried out due to logistical challenges and British resistance, its potential success would have drastically altered the course of the war.
Related terms
Battle of Britain: A series of aerial battles fought between British Royal Air Force (RAF) pilots and German Luftwaffe during the summer and fall of 1940.
Blitzkrieg: A military tactic used by Germany during WWII that involved rapid and coordinated attacks using tanks, aircrafts, and infantry.
Winston Churchill: The Prime Minister of Great Britain during WWII, known for his leadership and determination in resisting Nazi aggression.