800
860
871
899
When was Hong Kong leased to Britain for 99 years by China
When was Seville incorporated into the Christian Kingdom of Castile?
When was the building of the Parthenon at Athens started?
When was the Communist Party or China formed?
When was the construction of Great Wall of China started?
When was the first of the Geneva Conventions on the treatment of war victims adopted?
When was the Fourth Crusade diverted from the Holy Land to Constantinople?
When was the last Bulgarian noble surrendered to the Byzantine Empire?
When was the Opium war held between Britain and China ?
When was the Ottonian dynasty replaced by the Salian dynasty?
