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Cabot Tower (St. John's) facts for kids

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Cabot Tower
Cabot Tower, north face, Signal Hill, St. John's, Newfoundland.jpg
General information
Architectural style Gothic Revival
Location St. John's, Newfoundland and Labrador
Country Canada
Coordinates 47°34′12.05″N 52°40′54.38″W / 47.5700139°N 52.6817722°W / 47.5700139; -52.6817722
Groundbreaking 1898
Completed 1900
Height 50 feet (15 m)
Design and construction
Architect William Howe Greene
Main contractor Collin Wall, Bronson Wall, Courtney Head

Cabot Tower is a tower in St. John's, Newfoundland and Labrador, situated on Signal Hill. Construction of the tower began in 1898 to commemorate the 400th anniversary of John Cabot's discovery of Newfoundland, and Queen Victoria's Diamond Jubilee.

In 1901, Guglielmo Marconi received the first trans-Atlantic wireless message at a position near the tower, the letter "S" in Morse Code sent from Poldhu, Cornwall, United Kingdom. Cabot Tower is now the centre of the Signal Hill National Historic Site of Canada, with walking trails and an interpretation centre.


Begun in 1898, to commemorate both Queen Victoria's Diamond Jubilee and the 400th anniversary of John Cabot's (Giovanni Caboto) voyage to the New World, Cabot Tower was completed in 1900 and has been a part of a number of historic events. Although now one of the most recognizable symbols of St. John's and Newfoundland and Labrador, its construction was not well supported in the town. Most of St. John's burned to the ground in 1892 and the banks in Newfoundland crashed in 1894. When Judge D.W. Prowse, a prominent local man, suggested building Cabot Tower, one person said in a local paper that "it's like putting a silk hat on the head of a man who can't afford to buy a pair of boots." Another project, the Victoria Wing of the local hospital, received much more public support.

Cabot tower stamp
Cabot Tower postage stamp

The building was used primarily for flag signalling. The British military first used Signal Hill, originally known as the Lookout, for this purpose in around 1704. There was a mast at the highest point on the hill, and it would be the job of a signalman to keep an eye out for ships approaching the city. When one was spotted he would indicate by flag what type of ship it was, what country it was from and fire off a peterra so that the men below in the town would know to look towards the hill. Then they would fire the same type of cannon in response. By the end of the 18th century, a blockhouse had been constructed on the site. By the 19th century, the signalling was done mostly for the various merchants who operated out of St. John's. Cabot Tower was the last in a line of signalling blockhouses built on Signal Hill. It was used for flag signalling until 1958.

Cabot Tower and St John's
Signal Hill and Cabot Tower, St. John's, Newfoundland, Canada

In 1933, a Marconi station, which operated until 1960, was opened on the second floor of Cabot Tower. In 1920, one of the first wireless transatlantic transmissions of the human voice was made there. Men at the wireless station were able to talk with the steamship Victoria which was steaming out of England. Today, the Society of Newfoundland Radio Amateurs operates a ham radio there.

Architectural value

Cabot Tower on Signal Hill in St. John's, Newfoundland
View from south

Located at the highest point of Signal Hill, overlooking the city and the ocean, Cabot Tower is an example of late-Gothic Revival style. Built of irregularly coursed red sandstone, it is composed of a two-story, 30 foot, square structure with a three-story, 50 foot octagonal tower that stands on the southeast corner of the building. The corners are buttressed at the first floor level and further emphasized through the use of heavier blocks of stone. On the main body of the building, at the top of the second storey level, is a line of repeating pattern like an exaggerated dentil row or inverted crenelations. The attached tower, which houses the main entrance, is very plain with a double string course marking the divisions between second and third storeys and heavy corbel tables marking the eight corners of the turret at the flared upper level. The windows on both the corner turret and the body of the tower proper are rectangular and set under heavy stone lintels.

The architect of Cabot Tower, William Howe Greene, was a prominent St. John's architect and an associate of the Royal Institute of British Architects.

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