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

civilizations/phoenicia.md

@@ -4,24 +4,24 @@
 # Phoenicia
 
 ## Overview
-Phoenicia (~1500–300 BCE) was a maritime civilization of city-states along the coast of modern Lebanon. The Phoenicians were master sailors and traders who developed the alphabet that became the ancestor of Greek, Latin, and most modern alphabets.
+Phoenicia (~1500–300 BCE) was a maritime civilization of city-states along the coast of modern Lebanon. The Phoenicians were master sailors and traders who developed the alphabet that became the ancestor of Greek, Latin, and most modern alphabets. @t[1500 BCE..300 BCE]
 
 ## Key Facts
 - Region: Coastal Lebanon, with colonies across the Mediterranean
-- Period: ~1500–300 BCE
+- Period: ~1500–300 BCE @t[1500 BCE..300 BCE]
 - Major cities: Tyre, Sidon, Byblos, Berytus (Beirut)
 - Language: Phoenician (Northwest Semitic)
-- Writing: Phoenician alphabet (~1050 BCE), ancestor of Greek and Latin alphabets [^1]
+- Writing: Phoenician alphabet (~1050 BCE), ancestor of Greek and Latin alphabets @t[~1050 BCE] [^1]
 
 ## Achievements
-- Developed the first widely-used phonetic alphabet ~1050 BCE
-- Founded Carthage (~814 BCE) and colonies across the western Mediterranean
+- Developed the first widely-used phonetic alphabet ~1050 BCE @t[~1050 BCE]
+- Founded Carthage (~814 BCE) and colonies across the western Mediterranean @t[~814 BCE]
 - Pioneered long-distance maritime trade (tin from Britain, gold from West Africa)
 - Produced Tyrian purple dye from murex snails
-- Circumnavigated Africa under commission from Pharaoh Necho II (~600 BCE) [^2]
+- Circumnavigated Africa under commission from Pharaoh Necho II (~600 BCE) @t[~600 BCE] [^2]
 
 ## Decline
-Phoenician city-states fell under successive foreign rule: Assyrian, Babylonian, Persian, and finally Macedonian. Tyre was besieged and captured by Alexander the Great in 332 BCE.
+Phoenician city-states fell under successive foreign rule: Assyrian, Babylonian, Persian, and finally Macedonian. Tyre was besieged and captured by Alexander the Great in 332 BCE. @t[=332 BCE]
 
 ---
 [^1]: Markoe, G. *Phoenicians* (University of California Press, 2000)