On August 6th, 1945 an American B-29 bomber dropped the first atomic bomb over a Japanese city called Hiroshima. The explosion wiped out 90% of the city and it immediately killed 80,000 people. Then America dropped another atomic bomb on Nagasaki. It killed 40,000 people. Finally even Before the war even started there were already scientists many of them refuges who were studying atomic energy.
Adolf Hitler was one of the most powerful dictators of the 20th century. After World War I, he rose to power in the National Socialist German Workers Party, taking control of the German government in 1933. He was born on April 20, 1889 in Braunau Am Inn, Austria. He killed over 6 million Jews at concentration camps. Finally Hitler killed himself shortly before Germanys defeat.
On June 6, 1944, the U.S. and its allies invaded Western Europe in the largest attack in history. During World War II (1939-1945), the Battle of Normandy, which lasted from June 1944 to August 1944. Codenamed Operation Overlord, the battle began on June 6, 1944, also known as D-Day, when 156,000 American, British, and Canadian forces landed on five beaches along a 50-mile stretch of the heavily fortified coast of France’s Normandy region. The invasion was one of the largest amphibious military assaults in history.
Japanese forces bombed Pearl Harbor on December 7, 1941. It was just before 8:00 AM when hundreds of Japanese planes came to bomb Pearl Harbor in Hawaii. It lasted for 2 hours but it was devastating. There were 2000 killed and 1000 wounded. finally the day after Franklin D Rosevelt declared war on Japan.