congress passes the first neutrality act. the law is intended to keep the united states out of forgein conflicts.
japan launches an allout war against !china
world war 2 begins as germany invades poland. although the united states remains neutral president roosevelt seeks to aid the aliies,such as britian and france
japanese planes bomb the united staes fleet at pearl harbor,hawaii. the next day, the united states enters world war 2 on the allied side
the united states navy defeats japan at the battle of midway