| Question | Answer | % Correct |
|---|---|---|
| The majority of the U.S. population is urban for the first time | 1920 | 72%
|
| The last of the "lower 48" states is admitted | 1910's | 61%
|
| The first U.S. Nobel Prize winner | 1900's | 56%
|
| The last of the original 13 colonies is founded | 1730's | 50%
|
| The 25th state is admitted | 1830's | 50%
|
| The last law making property ownership a requirement for voting is repealed | 1850's | 50%
|
| New Amsterdam becomes New York | 1660's | 44%
|
| The first contested U.S. presidential election | 1790's | 44%
|
| The first transcontinental railroad is completed | 1860's | 44%
|
| The Adventures of Huckleberry Finn is published | 1880's | 44%
|
| First Europeans visit the U.S. | 1500's | 33%
|
| Plessy v. Ferguson establishes the legality of "separate but equal" racial segregation | 1890's | 33%
|
| U.S. population surpasses 100,000,000 for the first time | 1920 | 33%
|
| Walmart is founded | 1960's | 33%
|
| The last significant (at least 100 square kilometers) U.S. permanent territorial acquisition | 1910's | 22%
|
| First permanent European settlement on the U.S. mainland | 1560's | 17%
|
| "A Visit from St. Nicholas" (aka 'Twas the Night Before Christmas) is first published | 1820's | 17%
|
| The first Treaty of Paris involving the U.S. is signed | 1760's | 11%
|
| ARPANET (an important precursor to the modern Internet) is established | 1960's | 11%
|
| The Mason-Dixon line is drawn | 1760's | 6%
|