| Christ Pantokrator Church in Nessebar |
6 |
| Christian art |
3 |
| Christian necropolis |
3 |
| Christianity |
84 |
| Christianization |
1 |
| Christmas |
1 |
| Christmas tree |
1 |
| Christo Javacheff |
1 |
| christogram |
8 |
| Christopher Columbus |
4 |
| chronicler |
1 |
| chrysobull (golden bull) |
1 |
| chthonic deity |
2 |
| chukar partridge |
1 |
| Chukovets |
1 |
| Chukovezer |
2 |
| church |
42 |
| Church No. 8 |
1 |
| Church No.16 in Cherven |
1 |
| Church of Nativity |
8 |
| Church of Sveti Sedmochislenitsi (i.e. St. Cyril and St. Methodius and their five disciples) |
5 |
| Church of the Ascension of God |
3 |
| Church of the Holy Mother of God |
3 |
| Church of the Nativity of Christ in Arbanasi |
1 |
| Church of the St. Archangels Michael and Gabriel in Arbanasi |
6 |
| Church of the St. George Rotunda |
5 |
| Church Slavonic |
12 |
| church theft |
3 |
| churches |
8 |
| Chyupetlovo |
1 |
| CIA |
2 |
| Cicero |
1 |
| Cilento Natural Park |
1 |
| cinnamon |
1 |
| circus |
1 |
| cistern |
6 |
| citadel |
18 |
| City of Dreams Macau |
1 |
| city steward |
1 |
| city-state |
1 |
| civic basilica |
3 |
| Classical Period |
4 |
| Classis Moesica |
1 |
| Claudius Martialis |
1 |
| Claudius Ptolemy |
4 |
| claw hammer |
2 |
| clay |
2 |
| clay altar |
4 |
| clay lamp |
6 |
| clay mask |
3 |
| clay rocket model artifact |
2 |
| clay vessel |
13 |
| clay vessels |
4 |
| clean-up |
3 |
| Clement of Ohrid |
10 |
| client state |
1 |
| climate change |
7 |
| climatic cataclysm |
2 |
| clipped coins |
1 |
| Clive Oppenheimer |
1 |
| Clodius Albinus |
2 |
| clothing |
2 |
| cloverleaf interchange |
1 |
| Clovis |
1 |
| Clovis points |
1 |
| Cniva |
6 |
| coal |
1 |
| Coban Mustafa Pasha |
1 |
| Codex Argenteus "The Silver Book" |
2 |
| Codex Assemanius |
1 |
| Codex Regius |
1 |
| codicil |
1 |
| coffin |
3 |
| cog |
4 |
| Cohors I Atoitorum |
1 |
| Cohors I Thracum c.R. |
4 |
| Cohors II Lucensium |
2 |
| Cohors II Lucensium (Second Lucensian Cohort) |
1 |
| Cohors III Collecta |
1 |
| Cohors Montanorum |
1 |
| Cohors Sugambrorum |
1 |
| cohort |
1 |
| coin |
104 |
| coin clipping |
1 |
| coin collection |
1 |
| coin hoard |
12 |
| coin minting |
20 |
| coin treasure |
7 |
| coins |
208 |
| Colchis |
3 |
| Cold War |
10 |
| collection plate |
1 |
| collector |
9 |
| collectors |
15 |
| Cologne |
2 |
| Cologne University |
1 |
| Colombia |
2 |
| Colonia Claudia Ara Agrippinensium |
2 |
| Colonia Ulpia Ratiaria |
25 |
| colonialism |
1 |
