Question

Roosevelt called December 7, 1941, "a day that will live in infamy." Why?

Answer 1

The speech's "infamy" line is often misquoted as "a day that will live in infamy". However, Roosevelt quite deliberately chose to emphasize the date—December 7, 1941—The Japanese bombed Pearl Harbor. hope u have a great day :)

Answer 2

Roosevelt called December 7, 1941, "a day that will live in infamy," because the Japanese bombed Pearl Harbor and the Germans invaded Poland. This was a start to World War II.

Your answer is: The Japanese bombed Pearl Harbor, The Germans invaded Poland 

Have an amazing day mate!