Britain France declared war on Germany but Poland fairs quickly

Effect

Poland was divided between Germany and the Soviet Union, Britain and France remained passive, and World War II escalated rapidly.

Hitler captures Denmark Norway

Effect

Germany secured strategic control over Scandinavia, cutting British access, boosting Nazi resources, and strengthening Hitler’s dominance in Northern Europe.

Nazis conquer Netherlands Belgium Luxembourg-reach the French coast

Effect

The Dunkirk Evacuation preserved Allied forces, boosted British morale, delayed German plans, and influenced future military strategies

Battle of Britain air war over Britain

Effect

Hitler eventually calls off the attack showed his advances could be blocked

Germany plans to invade Britain—begins air attacks

Effect

Britain's victory prevented German invasion, boosted Allied morale, strengthened the RAF, and ensured continued resistance against Nazi expansion in Europe.

Japan launched a surprise attack on the U.S. naval base at Pearl Harbor, Hawaii, resulting in the destruction

Effect

Led the United States to declare war on Japan the following day, bringing the U.S

Allied forces, primarily from the United States, the United Kingdom, and Canada, launched a massive amphibious invasion on the beaches of Normandy, France, to liberate western Europe from Nazi control.

Effect

The successful invasion marked the beginning of the end for Nazi Germany, as the Allies were able to establish a foothold in Western Europe.

A decisive naval battle between the United States and Japan.

Effect

Marked a turning point in the Pacific War, shifting the balance of naval power in favor of the United States.

The British Royal Navy pursued and sank the German battleship Bismarck after it had sunk the British battle cruiser HMS Hood

Effect

Boosted British morale, as it eliminated one of the largest and most formidable ships of the Axis powers.

Nazis captured the city are surrender and forced in February of 1943

Effect

In July 1937, a clash between Chinese and Japanese troops at the Marco Polo Bridge near Beijing sparked a full-scale war

Effects

China was drawn into a prolonged war that devastated cities and civilians.

Japan occupied the southern part of French Indochina, which included Vietnam, Cambodia, and Laos

Effects

Gave Japan strategic access to Southeast Asia and its resources, especially oil and rubber

German and Italian Axis forces, led by General Erwin Rommel—nicknamed The Desert Fox—captured the key port city of Tobruk in Libya.

Effects

Was a major blow to Allied morale—Tobruk had withstood a long siege the year before.

General Bernard Montgomery led the British Eighth Army to a decisive victory against the Axis forces at El Alamein, located in northern Egypt

Effects

Stopped the Axis forces' push towards the Suez Canal and oil supplies in the Middle East.

the Battle of the Coral Sea was fought between the United States and Japan.

Effects

It was a strategic victory for the Allies, as Japan’s advance was halted, preventing further encroachment on Australia.

the Battle of Midway took place between U.S. and Japanese forces.

Effects

The destruction of four Japanese carriers severely weakened Japan's naval power and halted their advance in the Pacific

the Battle of Guadalcanal when U.S. Marines landed on Guadalcanal in the Solomon Islands to prevent Japan from building a strategic airbase.

Effects

It was the first major Allied offensive against Japan and marked the beginning of the U.S. Island Hopping campaign

Allied forces launched Operation Overlord, the largest amphibious invasion in history, landing on the beaches of Normandy, France.

Effects

D-Day was a pivotal moment in World War II, establishing a second front in Western Europe and forcing Germany to fight on two fronts.

the Allies had successfully liberated France, Belgium, and Luxembourg from German occupation.

Effects

Marked a major turning point in World War II, as Nazi control in Western Europe crumbled.

The Battle of the Bulge was the last major German offensive on the Western Front, launched in the Ardennes Forest in Belgium

Effects

It was one of the largest and bloodiest battles fought by the U.S. Army in World War II, with significant casualties on both sides.

American forces launched a brutal assault on the island of Iwo Jima, which was heavily fortified by the Japanese military.

Effects

The capture of Iwo Jima was crucial for the U.S. as it provided a strategic base for launching air attacks on mainland Japan.

he U.S. dropped an atomic bomb, nicknamed "Fat Man", on the Japanese city of Nagasaki, just three days after the bombing of Hiroshima.

Effects

The bombing of Nagasaki, along with the earlier bombing of Hiroshima, led to Japan’s surrender on August 15, 1945, effectively ending World War II.

As Nazi Germany swept through Europe in 1940 and France faced imminent defeat, President Franklin D. Roosevelt became deeply concerned that Great Britain would not be able to hold out alone

Effects

Resulted in new aid policies like the Lend-Lease Act

n March 1942, under orders from President Roosevelt, General Douglas MacArthur left the Philippines as Japanese forces advanced.

Effects

Symbolized American determination in the Pacific Theater

Allied forces from the west had pushed through France and the Low Countries, reaching the western border of Nazi Germany.

Effects

Led to the capture of key cities like Cologne and eventually Berlin

Germany officially surrendered to the Allied forces, marking the end of World War II in Europe. This day became known as V-E Day (Victory in Europe Day).

Effects

Led to postwar division of Germany and the start of the Cold War

Allied forces launched the invasion of Leyte in the Philippines, beginning the campaign to liberate the islands from Japanese occupation.

Effects

Marked the beginning of the end for Japanese control in the Philippines

U.S. forces launched a massive amphibious assault on the island of Okinawa, just 340 miles from mainland Japan

Effects

Over 200,000 total casualties, including 100,000+ Japanese troops and tens of thousands of civilians

The Manhattan Project was a top-secret U.S. government initiative during World War II aimed at developing atomic weapons.

Effects

Led to the creation of atomic bombs, which were eventually dropped on Hiroshima and Nagasaki

japan officially surrendered to the Allied powers aboard the USS Missouri in Tokyo Bay, marking the end of World War II.

Effects

Sparked the beginning of Japan’s post-war recovery and democratization

U.S. dropped the atomic bomb on Hiroshima 75,000 people

die

Effects

The atomic bomb caused immense destruction, with an estimated 70,000 to 80,000 people killed instantly or shortly after the blast