December. (December 7, 1941, to be exact)
The attack by the Japanese forces was on December 7, 1941.
Japanese Naval Air Forces (Naval Airmen), launched from aircraft carriers.
While there were earlier attacks, such as the sinking of the gunboat Panay in China, the first full scale attack on US Forces was at Pearl Harbor, Hawaii on 7 Dec 1941.
The Japanese forces arrived at Hawaii and attached several military installations there, including Pearl Harbor, on Sunday, 7 December 1941.
Pearl Harbor was attacked December 7, 1941 The morning of December the 7th 1941 . On December 7, 1941, the Japanese attacked the U.S. naval base at Pearl Harbor, Hawaii. The action launched the United States into World War II. At approximately 8:00 a.m. Sunday morning, Japanese planes appeared in the early morning sky near Hawaii. The Japanese pilots targeted United States naval ships moored in the harbor. This attack caught American forces by surprise.
It's "A day that will live in infamy". It was the date in 1941 when Japanese forces attacked the US Navy base at Pearl Harbor, Hawaii. The US entered WW-II in response to that attack.
The cause of America's entry into World War II, the surprise-attack on Pearl Harbor (Hawaii) by Japanese air and naval forces occurred on December 7, 1941. Through two separate air strikes, the Japanese caused considerable damage to American installations, ships, planes -- and personnel.
No. A combination of British and Canadians forces had invaded the United States during the War of 1812.
Entry followed the Japanese attack on the US Fleet at Pearl Harbor on 7 December 1941.
Pearl Harbor was attacked December 7, 1941 The morning of December the 7th 1941 . On December 7, 1941, the Japanese attacked the U.S. naval base at Pearl Harbor, Hawaii. The action launched the United States into World War II. At approximately 8:00 a.m. Sunday morning, Japanese planes appeared in the early morning sky near Hawaii. The Japanese pilots targeted United States naval ships moored in the harbor. This attack caught American forces by surprise.
I have read in a few books that the weather was nice. You will find it was 'tropical' on the page I found that mentions the weather prior to the attack.
The attack on US forces in Hawaii, most notably attacking the US Navy at the Pearl Harbor Naval Base.