Add BCE temporal tags to all documents; add temporal-dating steering doc

civilizations/carthage.md

@@ -4,19 +4,19 @@
 # Carthage
 
 ## Overview
-Carthage (~814–146 BCE) was a Phoenician colony that grew into a major Mediterranean power, rivaling Rome in three devastating Punic Wars before its total destruction.
+Carthage (~814–146 BCE) was a Phoenician colony that grew into a major Mediterranean power, rivaling Rome in three devastating Punic Wars before its total destruction. @t[814 BCE..146 BCE]
 
 ## Key Facts
 - Region: North Africa (modern Tunisia), with territories in western Mediterranean
-- Period: ~814–146 BCE
+- Period: ~814–146 BCE @t[814 BCE..146 BCE]
 - Founded by: Phoenician settlers from Tyre, traditionally by Queen Dido
 - Language: Punic (Phoenician dialect)
 - Government: Oligarchic republic with elected *suffetes* (magistrates)
 
 ## Punic Wars with Rome
-- First Punic War (264–241 BCE): Fought over Sicily; Rome won naval supremacy [^1]
-- Second Punic War (218–201 BCE): Hannibal's invasion of Italy via the Alps; Rome ultimately prevailed
-- Third Punic War (149–146 BCE): Rome besieged and destroyed Carthage completely
+- First Punic War (264–241 BCE): Fought over Sicily; Rome won naval supremacy @t[264 BCE..241 BCE] [^1]
+- Second Punic War (218–201 BCE): Hannibal's invasion of Italy via the Alps; Rome ultimately prevailed @t[218 BCE..201 BCE]
+- Third Punic War (149–146 BCE): Rome besieged and destroyed Carthage completely @t[149 BCE..146 BCE]
 
 ## Achievements
 - Dominant Mediterranean naval and trading power
@@ -25,7 +25,7 @@ Carthage (~814–146 BCE) was a Phoenician colony that grew into a major Mediter
 - Hannibal Barca: One of history's greatest military commanders [^2]
 
 ## Destruction
-Rome destroyed Carthage in 146 BCE. The site was later refounded as a Roman colony by Julius Caesar in 46 BCE.
+Rome destroyed Carthage in 146 BCE. The site was later refounded as a Roman colony by Julius Caesar in 46 BCE. @t[=146 BCE]
 
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 [^1]: Goldsworthy, A. *The Fall of Carthage* (2003)