| Year | Event | State | % Correct |
|---|---|---|---|
| 2001 | Collapse of the Twin Towers | New York | 87%
|
| 1847 | Mormon pioneers arrive with Brigham Young | Utah | 87%
|
| 1941 | Attack on Pearl Harbor | Hawaii | 85%
|
| 1863 | Battle of Gettysburg | Pennsylvania | 84%
|
| 1872 | Yellowstone becomes world's first national park | Wyoming | 82%
|
| 1957 | Desegregation of Little Rock Central High School | Arkansas | 80%
|
| 1863 | This state separates from Virginia to stay in the Union | West Virginia | 79%
|
| 1963 | Assassination of John F. Kennedy | Texas | 78%
|
| 1607 | English establish Jamestown colony | Virginia | 78%
|
| 1980 | Eruption of Mount St. Helens | Washington | 78%
|
| 1787 | First ratification of the Constitution | Delaware | 76%
|
| 1850 | Recently seeing a gold rush, this is allowed to be a free state | California | 75%
|
| 1910 | Ford Motor Company open Highland Park Plant | Michigan | 75%
|
| 2016 | Native Americans protest the Dakota Access Pipeline | North Dakota | 74%
|
| 1845 | Miami and Erie canal opens, connecting Cincinnati to Toledo | Ohio | 74%
|
| 1903 | First flight at Kitty Hawk | North Carolina | 73%
|
| 1995 | Bombing of the Alfred P. Murrah Federal Building | Oklahoma | 73%
|
| 1996 | Centennial Summer Olympic Games | Georgia | 71%
|
| 1932 | The Great Depression destroys the income of potato farmers | Idaho | 71%
|
| 1968 | Assassination of Martin Luther King Jr. | Tennessee | 71%
|
| 1891 | Phoenix Indian School opens to culturally exterminate Natives | Arizona | 70%
|
| 1809 | Birth of Abraham Lincoln | Kentucky | 67%
|
| 1843 | Wagon trails bring thousands to Willamette Valley | Oregon | 66%
|
| 1861 | Battle of Fort Sumter | South Carolina | 64%
|
| 1610 | Spanish conquistadors establish the oldest state capital | New Mexico | 63%
|
| 1999 | Columbine High School massacre | Colorado | 61%
|
| 1819 | Spain signs Adams–Onís Treaty, giving the U.S. this state | Florida | 61%
|
| 2012 | Sandy Hook Elementary School shooting | Connecticut | 58%
|
| 1876 | Battle of Little Bighorn | Montana | 58%
|
| 1890 | Wounded Knee Massacre | South Dakota | 57%
|
| 1765 | French-speaking refugees from Nova Scotia come here | Louisiana | 56%
|
| 1838 | Siege of Vicksburg | Mississippi | 54%
|
| 1775 | Battles of Lexington and Concord | Massachusetts | 52%
|
| 1856 | Settlers rush in to sway the vote on slavery | Kansas | 49%
|
| 1964 | Good Friday Earthquake | Alaska | 48%
|
| 1963 | 16th Street Baptist Church bombing | Alabama | 47%
|
| 1859 | Silver rush after discovery at Comstock Lode | Nevada | 46%
|
| 2009 | First legalization of same-sex marriage through legislation | Vermont | 43%
|
| 1820 | This state is admitted through Missouri Compromise | Maine | 42%
|
| 1814 | Battle of Fort McHenry | Maryland | 42%
|
| 1944 | IMF created at Bretton Woods Conference | New Hampshire | 36%
|
| 1778 | Battle of Monmouth Courthouse | New Jersey | 36%
|
| 1942 | Fermi leads first nuclear chain reaction | Illinois | 31%
|
| 1811 | William Henry Harrison wins Battle of Tippecanoe | Indiana | 31%
|
| 2003 | 100 die in The Station nightclub fire | Rhode Island | 29%
|
| 1837 | Dred Scott is brought to Fort Snelling | Minnesota | 25%
|
| 1813 | Final Siege of Fort Madison | Iowa | 23%
|
| 1970 | Antiwar protesters bomb Sterling Hall | Wisconsin | 23%
|
| 1898 | Buffalo Bill's Wild West Show at Trans-Mississippi Exposition | Nebraska | 21%
|
| 2004 | Red Sox win their first World Series in 86 years | Missouri | 20%
|