1. Historical bondage as Europeans 2. Diplomatic 3. Trade 4. Francophonic (many Bulgarians learn French and later study/work in France
no connection
France
Not exactly, Bulgaria has common and shared borders, Hungary, Italy, Albania but not France.
France
They have an a in them.
France is older
Germany, Italy and France
France - only 22 miles between them at the nearest point.
Bulgaria was occupied by the Ottoman Empire from 1396-1878 and fought with Central Powers in World War I (like the Ottoman Empire). Bulgaria still has a large Muslim and Turkish minority.
Bulgaria was forced to sign the Tripartite Pact with Nazi Germany. A+
Followed dress and ethics code similar to France of that time
No, no relation. Kelts, keltic history has no connection even with Slav, Mizians, Thracian history.