| Event | Roman Numeral | Year CE | % Correct |
|---|---|---|---|
| World War II begins | MCMXXXIX | 1939 | 93%
|
| World War I begins | MCMXIV | 1914 | 86%
|
| Berlin Wall Falls | MCMXCI | 1991 | 86%
|
| Death of Jesus | XXX or XXXIII | 30/33 | 86%
|
| William the Conqueror crosses the English Channel | MLXVI | 1066 | 79%
|
| The Invention of Gunpowder | DCCC | 800 | 79%
|
| Pope Urban II calls on Christians to drive the Muslims out of the Holy Land | MXCV | 1095 | 71%
|
| Death of Genghis Khan | MCCXXVII | 1227 | 71%
|
| Gutenberg's Printing Press | MCDXL | 1440 | 71%
|
| Bith of Muhammad | DCXXXII | 632 | 71%
|
| Mongolian leader Temujin defeats his rivals and receives the title Genghis Khan | MCCVI | 1206 | 64%
|
| English Nobles Force King John to Sign the Magna Charta | MCCXV | 1215 | 64%
|
| Norse explorers discover and colonize Iceland | DCCCLXX | 870 | 64%
|
| Christopher Columbus Arrives in the West Indies | MCDXCII | 1492 | 57%
|
| Sandro Botticelli paints The Birth of Venus | MCDLXXXVI | 1486 | 50%
|
| The American Revolution | MDCCLXV-MDCCLXXXIII | 1765 -1783 | 43%
|
| Rise and Fall of the Aztec Civilization | MCCCXXV-MDXXI | 1325-1521 | 36%
|
| The beginning and end of The Reformation | MDXVII-MDCXLVIII | 1517-1648 | 36%
|