World War II
1. 1933
-------- Germany occupies Czechoslovakia; Germany and Soviet Union invade Poland; World War II begins Roosevelt approves Manhattan Project; Roosevelt issues order that leads to internment of Japanese Americans Adolf Hitler becomes chancellor of Germany Battle of Britain begins; Japan, Germany, and Italy sign Tripartite Pact Lend-Lease Act passed; Roosevelt and Churchill sign Atlantic Charter; Japan attacks U.S. naval base at Pearl Harbor; Germany and Italy declare war on the United States D Day invasion Germany surrenders; U.S. drops atomic bombs on Hiroshima and Nagasaki; Japan formally surrenders
2. 1939
-------- Germany occupies Czechoslovakia; Germany and Soviet Union invade Poland; World War II begins Roosevelt approves Manhattan Project; Roosevelt issues order that leads to internment of Japanese Americans Adolf Hitler becomes chancellor of Germany Battle of Britain begins; Japan, Germany, and Italy sign Tripartite Pact Lend-Lease Act passed; Roosevelt and Churchill sign Atlantic Charter; Japan attacks U.S. naval base at Pearl Harbor; Germany and Italy declare war on the United States D Day invasion Germany surrenders; U.S. drops atomic bombs on Hiroshima and Nagasaki; Japan formally surrenders
3. 1940
-------- Germany occupies Czechoslovakia; Germany and Soviet Union invade Poland; World War II begins Roosevelt approves Manhattan Project; Roosevelt issues order that leads to internment of Japanese Americans Adolf Hitler becomes chancellor of Germany Battle of Britain begins; Japan, Germany, and Italy sign Tripartite Pact Lend-Lease Act passed; Roosevelt and Churchill sign Atlantic Charter; Japan attacks U.S. naval base at Pearl Harbor; Germany and Italy declare war on the United States D Day invasion Germany surrenders; U.S. drops atomic bombs on Hiroshima and Nagasaki; Japan formally surrenders
4. 1941
-------- Germany occupies Czechoslovakia; Germany and Soviet Union invade Poland; World War II begins Roosevelt approves Manhattan Project; Roosevelt issues order that leads to internment of Japanese Americans Adolf Hitler becomes chancellor of Germany Battle of Britain begins; Japan, Germany, and Italy sign Tripartite Pact Lend-Lease Act passed; Roosevelt and Churchill sign Atlantic Charter; Japan attacks U.S. naval base at Pearl Harbor; Germany and Italy declare war on the United States D Day invasion Germany surrenders; U.S. drops atomic bombs on Hiroshima and Nagasaki; Japan formally surrenders
5. 1942
-------- Germany occupies Czechoslovakia; Germany and Soviet Union invade Poland; World War II begins Roosevelt approves Manhattan Project; Roosevelt issues order that leads to internment of Japanese Americans Adolf Hitler becomes chancellor of Germany Battle of Britain begins; Japan, Germany, and Italy sign Tripartite Pact Lend-Lease Act passed; Roosevelt and Churchill sign Atlantic Charter; Japan attacks U.S. naval base at Pearl Harbor; Germany and Italy declare war on the United States D Day invasion Germany surrenders; U.S. drops atomic bombs on Hiroshima and Nagasaki; Japan formally surrenders
6. 1944
-------- Germany occupies Czechoslovakia; Germany and Soviet Union invade Poland; World War II begins Roosevelt approves Manhattan Project; Roosevelt issues order that leads to internment of Japanese Americans Adolf Hitler becomes chancellor of Germany Battle of Britain begins; Japan, Germany, and Italy sign Tripartite Pact Lend-Lease Act passed; Roosevelt and Churchill sign Atlantic Charter; Japan attacks U.S. naval base at Pearl Harbor; Germany and Italy declare war on the United States D Day invasion Germany surrenders; U.S. drops atomic bombs on Hiroshima and Nagasaki; Japan formally surrenders
7. 1945
-------- Germany occupies Czechoslovakia; Germany and Soviet Union invade Poland; World War II begins Roosevelt approves Manhattan Project; Roosevelt issues order that leads to internment of Japanese Americans Adolf Hitler becomes chancellor of Germany Battle of Britain begins; Japan, Germany, and Italy sign Tripartite Pact Lend-Lease Act passed; Roosevelt and Churchill sign Atlantic Charter; Japan attacks U.S. naval base at Pearl Harbor; Germany and Italy declare war on the United States D Day invasion Germany surrenders; U.S. drops atomic bombs on Hiroshima and Nagasaki; Japan formally surrenders