A gigantic map of all the cool plaques in the world. A project of 99% Invisible.

The Dale Estate

The Dale Estate nurseries played an instrumental role in the development of Brampton, establishing its reputation as "The Flower Town of Canada." The business began in 1863 with its founder Edward...

The Dale Estate nurseries played an instrumental role in the development of Brampton, establishing its reputation as "The Flower Town of Canada." The business began in 1863 with its founder...

  • toronto
  • ontario
  • alan brown

"Dundas Mills"

By 1799 the Morden family had a sawmill near this site on Spencer Creek north of Dundas Street. They sold this property in 1800 to Edward Peer who built a grist-mill about 275 metres southeast,...

By 1799 the Morden family had a sawmill near this site on Spencer Creek north of Dundas Street. They sold this property in 1800 to Edward Peer who built a grist-mill about 275 metres...

  • toronto
  • ontario
  • alan brown

Douglas Point Nuclear Power Plant

The Douglas Point Nuclear Power Plant began generating electricity in 1967 and continued until 1984. This joint project between Atomic Energy of Canada Ltd. and Ontario Hydro was the first...

The Douglas Point Nuclear Power Plant began generating electricity in 1967 and continued until 1984. This joint project between Atomic Energy of Canada Ltd. and Ontario Hydro was the...

  • toronto
  • ontario
  • alan brown

The Disappearing Propeller Boat

Popularly known as the Dispro, or Dippy, this small boat was first built on this site in 1916 by the Disappearing Propeller Boat Company Limited. Also manufactured elsewhere in Ontario and briefly...

Popularly known as the Dispro, or Dippy, this small boat was first built on this site in 1916 by the Disappearing Propeller Boat Company Limited. Also manufactured elsewhere in Ontario and...

  • toronto
  • ontario
  • alan brown

Dundurn Castle 1832

This mansion was built 1832-35 by Allan Napier MacNab (1798-1862) and named after the family ancestral seat in Scotland. Enlisting at fifteen, MacNab distinguished himself by his bravery in the...

This mansion was built 1832-35 by Allan Napier MacNab (1798-1862) and named after the family ancestral seat in Scotland. Enlisting at fifteen, MacNab distinguished himself by his bravery in...

  • toronto
  • ontario
  • alan brown

District Court House and Jail

In 1838 the District of Colborne was established and Peterborough selected as the "district town". In June of that same year, the district magistrates, with the Hon. Thomas Stewart presiding,...

In 1838 the District of Colborne was established and Peterborough selected as the "district town". In June of that same year, the district magistrates, with the Hon. Thomas Stewart presiding,...

  • toronto
  • ontario
  • alan brown

The Dalhousie Library

In 1828, eight years after the original settlement of this area, the St. Andrew's Philanthropic Society founded the first public library within the old Bathurst District. A log building, known as...

In 1828, eight years after the original settlement of this area, the St. Andrew's Philanthropic Society founded the first public library within the old Bathurst District. A log building, known as...

  • toronto
  • ontario
  • alan brown

Darlingside

Darlingside is a rare surviving example of the wood depots which provided an essential fuelling service during the early phase of steamboat navigation on Lake Ontario and the upper St. Lawrence...

Darlingside is a rare surviving example of the wood depots which provided an essential fuelling service during the early phase of steamboat navigation on Lake Ontario and the upper St. Lawrence...

  • toronto
  • ontario
  • alan brown

The Desjardins Canal

In pioneer days waterways provided the essential means of transportation. Dundas, located at the head of navigation on Lake Ontario and the eastern terminus of the "Governor's Road", was thus in a...

In pioneer days waterways provided the essential means of transportation. Dundas, located at the head of navigation on Lake Ontario and the eastern terminus of the "Governor's Road", was thus in...

  • toronto
  • ontario
  • alan brown

Dr. Augusta Stowe Gullen 1857-1943

Canada's first woman graduate in medicine was born in Mount Pleasant. She attended the Toronto School of Medicine, received her degree from Victoria University in 1883, and was licensed to...

Canada's first woman graduate in medicine was born in Mount Pleasant. She attended the Toronto School of Medicine, received her degree from Victoria University in 1883, and was licensed to...

  • toronto
  • ontario
  • alan brown

Duncombe's Uprising 1837

Dr. Charles Duncombe (1791-1867), prominent physician and politician, was leader of the militant reform movement in the London District at the time of the Rebellion of 1837. He rallied the local...

Dr. Charles Duncombe (1791-1867), prominent physician and politician, was leader of the militant reform movement in the London District at the time of the Rebellion of 1837. He rallied the local...

  • toronto
  • ontario
  • alan brown

David Boyle 1842-1911

Born in Scotland, Boyle came to Canada in 1856 and settled in this area. As a local school teacher, he began an extensive collection of native artifacts and became an archaeological authority....

Born in Scotland, Boyle came to Canada in 1856 and settled in this area. As a local school teacher, he began an extensive collection of native artifacts and became an archaeological...

  • toronto
  • ontario
  • alan brown

Donald Allerton Johnston 1874-1957

Born on a nearby farm, Johnston became a co-founder and, in 1915, the first president of the world's first Kiwanis Club. He spent his childhood in this area, and in 1892 emigrated to Detroit,...

Born on a nearby farm, Johnston became a co- founder and, in 1915, the first president of the world's first Kiwanis Club. He spent his childhood in this area, and in 1892 emigrated to...

  • toronto
  • ontario
  • alan brown

Dufferin County Court House

Construction of this imposing brick court house was begun in the spring of 1880. Designed by C.J. Soule, a Guelph architect, it was built by the contracting firm of Dobbie and Grierson. Although...

Construction of this imposing brick court house was begun in the spring of 1880. Designed by C.J. Soule, a Guelph architect, it was built by the contracting firm of Dobbie and Grierson....

  • toronto
  • ontario
  • alan brown

Dundas Street

Dundas Street, named for Henry Dundas, Secretary of State for the British Home Department (1791-1794), was built on Lieutenant Governor Simcoe's orders in 1793-1794. The road, cut by a party of...

Dundas Street, named for Henry Dundas, Secretary of State for the British Home Department (1791-1794), was built on Lieutenant Governor Simcoe's orders in 1793-1794. The road, cut by a party of...

  • toronto
  • ontario
  • alan brown

The Dutch Settlement of Holland Marsh

The Holland Marsh consists of 2832 ha of reclaimed land in a river valley north of Toronto, Ontario. Named after an early provincial official, this fertile area was drained between 1925 and 1930....

The Holland Marsh consists of 2832 ha of reclaimed land in a river valley north of Toronto, Ontario. Named after an early provincial official, this fertile area was drained between 1925 and...

  • toronto
  • ontario
  • alan brown

Dr. Robert Hamilton Coats 1874-1960

Born near here, Coats was educated locally and graduated in 1896 from the University of Toronto. In 1902 Mackenzie King, then Deputy Minister of Labour, persuaded Coats to become editor of the...

Born near here, Coats was educated locally and graduated in 1896 from the University of Toronto. In 1902 Mackenzie King, then Deputy Minister of Labour, persuaded Coats to become editor of...

  • toronto
  • ontario
  • alan brown

David Allanson Jones 1836-1910

World renowned breeder of bees and pioneer of the North American beekeeping industry, he came in 1867 to Clarksville which, in 1874, was renamed Beetown (now Beeton). Jones searched the Old World...

World renowned breeder of bees and pioneer of the North American beekeeping industry, he came in 1867 to Clarksville which, in 1874, was renamed Beetown (now Beeton). Jones searched the Old...

  • toronto
  • ontario
  • alan brown

Daniel Knechtel 1843-1936

Born in Waterloo County, Daniel Knechtel came to Hanover in 1864. Two years later, he began producing handcrafted furniture and in 1874 opened a factory on this site. By using local timber...

Born in Waterloo County, Daniel Knechtel came to Hanover in 1864. Two years later, he began producing handcrafted furniture and in 1874 opened a factory on this site. By using local...

  • toronto
  • ontario
  • alan brown

The Dutch Settlement of Holland Marsh

The Holland Marsh consists of 2832 ha of reclaimed land in the Schomberg River Valley. Named after an early provincial official, this fertile area was drained between 1925 and 1930. John Snor,...

The Holland Marsh consists of 2832 ha of reclaimed land in the Schomberg River Valley. Named after an early provincial official, this fertile area was drained between 1925 and 1930. John Snor,...

  • toronto
  • ontario
  • alan brown