The first mention of the island of Lokrum in writing came in 1023, in connection with founding the Benedictine Abbey and monastery.
The famous Columbus crew in 1492 had at least two Dubrovnik mariners.
In 1296 Dubrovnik had a sewer system.
Dubrovnik's 1395 Insurance Law is the oldest in Europe. This law is three centuries older than Lloyd's insurance, London.
Dubrovnik was visited by Agatha Christie on her second honeymoon.
In the area surrounding Dubrovnik around 300 summer residencies were built. Today, unfortunately, only a small number are in good condition.
In the summer of 1936 King Edward VIII came to Croatia on the yacht Nahlin, with Wallis Simpson, whom he later abdicated to marry.
In the 16th century Dubrovnik had a fleet of 200 larger ships, which grew to 300 in the 18th century. Around 1780 the ships from Dubrovnik sailed to New York, Baltimore etc.
The first hospital (Domus Christi) in Dubrovnik was opened in 1347. The Dubrovnik Senate recognized it as the hospital in 1540.
Dubrovnik had the oldest arboretum in Europe – Trsteno, founded in 1498, with many rare plants.
British theatre director Peter Brook directed Hamlet in Dubrovnik.
Dubrovnik had in 1438 its first aqueduct. It was built by the Italian constructor Onofrio della Cava, and brought water to the town from springs 12 km away by a system of canals.
The Dubrovnik Republic had as many as 85 consulates in various seaports throughout the Mediterranean, and diplomatic representatives in Barcelona, Madrid, Rome, Vienna, Paris and London.
The Dubrovnik galleon Argosy is mentioned in two Shakespeare's plays: "Merchant of Venice" and "Taming the Shrew".
In 1377 Dubrovnik had the first quarantine in Europe.
Dubrovnik Summer Festival has been included in the calendar of world festivals since 1956.
English poet Lord Byron named Dubrovnik the "pearl of the Adriatic".
The book 101 Dalmatians was written by British author Dodie Smith and published in 1956.
The 1667 earthquake destroyed parts of Dubrovnik killing many of its inhabitants.
The first operational lift in Dubrovnik was in Hotel Imperial, now Hilton Imperial.