1. PALEOLITHIC (1.000.000 - 10.000)
2. TRANSITION BETWEEN NEOLITHIC AND COPPER AGE
3. COPPER AGE
4. IRON AGE
5. MIDDLE AGES (IX - XVI centuries)
6. MIDDLE AGES (XVII-XVIII centuries)
7. MODERNITY
8. 20th CENTURY (1900-1918)
9. 20th CENTURY (interwar period)
10. 20th CENTURY (World War II)
11. 20th CENTURY (The Communist Period - 1945-1969)
12. 20th CENTURY (The Communist Period - 1970-1989)
13. 20th CENTURY (after December 1989)