Cardiff in making iron and later steel, brought to the sea by packhorse from Merthyr Tydfil. This was first achieved by the construction of a long canal from Merthyr (510 feet above sea-level) to the Taff Estuary at Cardiff. Eventually the Taff Vale Railway replaced the canal barges and massive marshalling yards sprang up as new docks were developed in Cardiff – all prompted by the soaring worldwide demand for coal from the South Wales valleys. At its peak, Cardiff's port area, known as Tiger Bay, became the busiest port in the world and – for some time – the world's
Mozilla software rebranded by Debian name was revived in the Debian community as a possible name to give the rebranded version of Firefox. The Iceweasel found in Debian is not GNU IceWeasel (now GNU IceCat) but a rebranded Firefox created by the Debian project. The Debian maintainer has stated that he will "get in touch with [the GNU IceCat/IceWeasel team] to see what we can do together". Similarly, Debian renamed Mozilla Thunderbird and SeaMonkey to Icedove and Iceape, respectively. According to the "Debian Package Tracking System", Iceweasel, Icedove and Iceape were first accepted into the Debian project's "unstable" repository on November 20, 2006, on October