Other contributors have said "What event occured during this day in history?" is the same question as "What is 1 notable event that occured in us history?" If you believe that these are not asking the same thing and should be answered differently, click here
What is 1 notable event that occured in us history?
there is a lot of very notable events that has happened in u.s. history. pick one and resaerch it: The vietnamn war (pearl harbor) The Revoloutoinary war, the civil war, andLewis and clark (The Louisanna purchase).