White and black Americans perceive history differently, according to a new survey of the most significant historic events in Americans’ lifetimes. While both groups listed the Sept. 11 terrorism attacks and President Barack Obama’s election as the two events that had the greatest impact on the country, the civil rights movement was among the top three most important events for black Americans and didn’t even crack the top 10 for white Americans. The online survey, which asked 2,025 adults which 10 historical events “had the greatest impact on the country,” was conducted by Pew Research Center and The History Channel in July. The racial divide in the study tracks with previous Pew research on