| MANETHO | Egyptian priest of the 3rd century BC whose Greek Aegyptiaca (History of Egypt) originated the concept of pharaonic dynasties (7) |
| MUSK | Salix aegyptiaca - Persian or - - - willow with purplish-red shoots (4) |
| PHIDIAS | Athenian sculptor of the 5th century BC whose statue of Zeus at Olympia (c. 430 BC) was one of the Seven Wonders of the World (7) |
| TUTANKHAMEN | Egyptian pharaoh (14th century BC) whose virtually intact tomb was discovered in the Valley of the Kings in 1922 (11) |
| DRACO | Athenian legislator of the 7th century BC whose code of laws prescribed death for almost every offence (5) |
| EUCLID | Greek geometer of the 3rd century BC (6) |
| GREATWALL | Defensive structure constructed in the 3rd century BC stretching from the Yellow Sea to the central Asian desert (5,4,2,5) |
| OFCHINA | Defensive structure constructed in the 3rd century BC stretching from the Yellow Sea to the central Asian desert (5,4,2,5) |
| NICE | City on the French Riviera founded by Phocaeans from Marseille in about the 3rd century BC (4) |
| PLOTINUS | Egyptian-born Roman philosopher of the 3rd century AD who founded Neoplatonism (8) |
| ARCHIMEDEAN | Relating to the Syracuse-born mathematician of the 3rd century BCE |
| PERPETUA | Christian martyr of the 3rd century; her comartyr Felicity, was her slave (8) |
| OSSIAN | Legendary Irish hero and bard of the 3rd century A.D. (6) |
| AMOS | Prophet of the 8c BC whose writings form one book of the Old Testament (4) |
| CCC | Last year of the 3rd century |
| CCL | Middle of the 3rd century |
| CCLI | Middle of the 3rd century |
| HANXIN | Third-century BC Chinese general, one of the 'Three Heroes' of the dynasty he helped to found (3,3) |
| PARTHIA | Country in ancient Asia, southeast of the Caspian Sea, destroyed by the Sassanids in the 3rd century |
| SASSANID | Ancient Persian empire of the 3rd to 7th century A.D. also called the Empire of Iranians (8) |