| Historic period of note | 23 |
| Historic period of despair | 26 |
| Historic period in metallurgy | 29 |
| Historic period for blacksmiths | 31 |
| Historic period | 15 |
| Historic peninsula | 18 |
| Historic peak | 13 |
| Historic patroness | 18 |
| Historic patron | 15 |
| Historic part of Germany | 24 |
| Historic Parks | 14 |
| Historic painting | 17 |
| Historic Padua neighbor | 23 |
| Historic org. | 13 |
| Historic or war preceder | 25 |
| Historic or marital preceder | 30 |
| Historic opening? | 17 |
| Historic opening | 16 |
| Historic occurrences | 20 |
| Historic NYC club, with "The" | 39 |
| Historic NY theater | 19 |
| Historic Nova Scotia town | 25 |
| Historic Normandy town | 22 |
| Historic Normandy city | 22 |
| Historic Norman town | 20 |
| Historic Nile excavation site | 29 |
| Historic nickname | 17 |
| Historic Newcastle resource | 27 |
| Historic New Haven, CT venue ___ Place | 38 |
| Historic Nevada city | 20 |
| Historic NASA program | 21 |
| Historic NASA missions | 22 |
| Historic name in TV talk | 24 |
| Historic name in supercomputers | 31 |
| Historic musical "Alley" of Manhattan | 47 |
| Historic multistory dwellings | 29 |
| Historic mountaintop fortress | 29 |
| Historic Mormon settlement in Illinois | 38 |
| Historic month | 14 |
| Historic mission, with "the" | 38 |
| Historic mission | 16 |
| Historic miniseries | 19 |
| Historic mining region of Germany | 33 |
| Historic Mesopotamian city | 26 |
| Historic Memphis street | 23 |
| Historic Memphis blues street | 29 |
| Historic meal | 13 |
| Historic Maryland fort | 22 |
| Historic march site | 19 |
| Historic March day | 18 |
| Historic mansion in Newport, Rhode Island | 41 |
| Historic mansion in Newport, R.I., with "the" | 55 |
| Historic Manhattan theater | 26 |
| Historic mainframe | 18 |
| Historic London theater named after a British royal | 51 |
| Historic London theater | 23 |
| Historic London statue | 22 |
| Historic London horse market with a pattern named after it | 58 |
| Historic leader? | 16 |
| Historic lead-in | 16 |
| Historic lawgiver | 17 |
| Historic landfall: Oct. 12, 1492 | 32 |
| Historic landfall | 17 |
| Historic land of Israel | 23 |
| Historic kite attachment | 24 |
| Historic Kentucky county | 24 |
| Historic Jordanian city | 23 |
| Historic jetsam | 15 |
| Historic Japanese island | 24 |
| Historic Japanese city | 22 |
| Historic Italian town damaged many times by earthquakes | 55 |
| Historic Italian town | 21 |
| Historic Italian name | 21 |
| Historic Italian family name | 28 |
| Historic Italian commune | 24 |
| Historic Italian city near Naples | 33 |
| Historic island west of Athens | 30 |
| Historic island W of Athens | 27 |
| Historic island off Greece | 26 |
| Historic island in the Nile | 27 |
| Historic island | 15 |
| Historic Irish village | 22 |
| Historic Irish seaport | 22 |
| Historic Irish hill | 19 |
| Historic Irish city | 19 |
| Historic invasion date | 22 |
| Historic introduction? | 22 |
| Historic intro? | 15 |
| Historic interval | 17 |
| Historic institution near Slough | 32 |
| Historic inlet by Sydney, Australia | 35 |
| Historic Incan capital | 22 |
| Historic immigration island | 27 |
| Historic Icelandic work | 23 |
| Historic Hungarian city | 23 |
| Historic Hun | 12 |
| Historic Honolulu palace | 24 |
| Historic hilltop fortress in Israel | 35 |
| Historic Heyerdahl craft | 24 |
| Historic Hertfordshire city | 27 |