The name Cardiff means "fort on the Taff"
Author Roald Dahl was born in Cardiff to Norwegian parents - the Oval Basin in the bay has been renamed Roald Dahl Plass in his honour.
Visit Roald Dahl website here
Cardiff Bay was once one of the richest cities in the world, thanks to the Docks and coal industry.
The first million pound deal was struck at the Coal Exchange in Cardiff Bay.
In 1857, General Tom Thumb, the smallest man alive (height of 31 inches weight 25lb) visited Cardiff's Town Hall. It cost sixpence to see him.
The first British news film ever recorded was of the Prince and Princess of Wales visiting the Cardiff exhibition of 1896
The last air raid on Cardiff on May 18, 1943, was a revenge raid for the Dam Busters raid on Germany the night before. Why Cardiff? Guy Gibson, who led the 617 Dam Busters squadron was married to Eve Moore of Penarth and spent most of his leave in the area. More than 40 people died in the raid, the only one in which the Germans used the screaming Stukka bombers at night, during the blitz on Britain.
Bute Park is said to be the richest urban park for trees, probably in the world, according to The Royal Horticultural Society tree register
Marconi sent the first ever wireless communication over open sea. It transversed the Bristol Channel from Lavernock Point near Cardiff Bay to Flat Holm Island, a distance of 6 kilometres (3.7 mi). The message read "Are you ready" The receiving equipment was almost immediately relocated to Brean Down Fort on the Somerset coast, stretching the range to 16 kilometres (9.9 mi
Do you know any fascinating facts about Cardiff? Let us know and we'll add them to our list.
Cardiff has been named as one of the top 10 cities in Europe. Over 319,700 friendly people live here and call it home. We have 149 pubs, bars and nightclubs (18 of them on the waterfront), 73 restaurants and 125 hotels.