An independent Canadian knowledge project
Citizen.caCanadian knowledge, focused and verified

Focused and Verified

Canadian knowledge base

Explore the knowledge base

As explained in our Mission, Citizen.ca focuses on knowledge closely connected to Canadian identity and Canadian spirit, rather than every fact about Canada. Some topics will therefore be absent. If you believe a missing topic belongs within this focus, please contact us.

The groups below show how published records are distributed and offer a convenient way to browse. Counts include distinct records assigned to each group or its narrower keywords. A record may appear in more than one group.

For a more specific search, use the keyword search below. Choose one keyword, or combine two with AND to require both or OR to include either.

Places and geography

671 records

Browse all →

Record types

981 records

Browse all →

People and roles

407 records

Browse all →

Peoples and communities

80 records

Browse all →

Organizations and institutions

216 records

Browse all →

Events and historical processes

201 records

Browse all →

Themes, values and contributions

804 records

Browse all →

Time periods

793 records

Browse all →

Search by keyword

Choose one keyword, or combine two. Broader keywords include their descendants.

For citizenship preparation, use these records alongside the official Discover Canada guide. Check current officeholders and local information separately. This is an independent study collection.

Keywords: Citizenship Test

Clear search
206 recordsStructured records (JSON) ↗
The Bell Homestead National Historic Site, Brantford, Ontario.
CA-K1564History

The invention of the telephone at Brantford, 1874–1876

At his father’s home near Brantford, Ontario, Alexander Graham Bell conceived the fundamental principle of the telephone on 26 July 1874. There, on 3 and 4 August 1876, he publicly demonstrated his patented invention, and on 10 August he made a long-distance call, to Paris, 13 kilometres away.

Factual accuracy review: No recorded challenge

Contributor: Citizen.ca

Verified against cited sourcesVerified on 2026-10-27↗
Photo: K Danko · Photo licence: CC BY-SA 3.0 · Credit & context
Michael Smith in 1994.
CA-K1552Culture & sport

Michael Smith, Nobel Prize in Chemistry 1993

Michael Smith of the University of British Columbia shared the 1993 Nobel Prize in Chemistry for developing site-directed mutagenesis.

Factual accuracy review: No recorded challenge

Contributor: Citizen.ca

Verified against cited sourcesVerified on 2026-10-27↗
Photo: File:Michael Smith party at Mary Vickers's house.1994, F-109-7-0-0-10 001.jpg: SCWIST Society for Canadian Women in Science and Technology derivative work: Michał Sobkowski · Photo licence: CC BY-SA 4.0 · Credit & context
Major-General E.L.M. Burns, commander of the UN Emergency Force, 1957.
CA-K1375History

Canadian peacekeepers in Egypt and the Suez Crisis

During the Suez Crisis of 1956, Canadian diplomat Lester B. Pearson proposed a peacekeeping force, and the United Nations launched its first large-scale peacekeeping mission, the United Nations Emergency Force, commanded by Canada’s Major-General E.L.M. “Tommy” Burns. Canadians served with UN troops in Egypt from 1956 to 1967 and again from 1973 to 1979; Pearson received the 1957 Nobel Peace Prize.

Factual accuracy review: No recorded challenge

Contributor: Citizen.ca

Verified against cited sourcesVerified on 2026-10-27↗
Photo: Indonesian Ministry of Information and the Information Department of the Indonesian Army · Photo licence: Public domain · Credit & context
Reconciliation: The Peacekeeping Monument, Ottawa.
CA-K1374History

Canada and international peacekeeping

Members of the Canadian Armed Forces have served in dozens of peacekeeping efforts with the United Nations, NATO and other multinational operations. Peacekeepers are neutral international troops sent to countries in turmoil to reduce tensions and restore peace, monitoring ceasefires, patrolling buffer zones, clearing landmines and providing humanitarian aid.

Factual accuracy review: No recorded challenge

Contributor: Citizen.ca

Verified against cited sourcesVerified on 2026-10-27↗
Photo: Pierre André Leclercq · Photo licence: CC BY 4.0 · Credit & context
Canadian soldiers and RG-31 vehicles in Afghanistan, October 2008.
CA-K1368History

Canada in Afghanistan, 2001–2014

After the attacks of 11 September 2001, Canada joined the international coalition against the Taliban regime in Afghanistan, which had sheltered Al-Qaeda. More than 40,000 Canadians served there, the largest deployment of Canadian troops since the Second World War, in a conflict that lasted more than 12 years, the longest in Canada’s history. Canada led Operation MEDUSA, its largest combat operation since the Korean War.

Factual accuracy review: No recorded challenge

Contributor: Citizen.ca

Verified against cited sourcesVerified on 2026-10-27↗
Photo: ISAF photo by U.S. Air Force TSgt Laura K. Smith · Photo licence: Public domain · Credit & context
Soldiers of the 9th Canadian Infantry Brigade landing at Juno Beach, 6 June 1944.
CA-K1365History

Canada in the Second World War, 1939–1945

Germany’s invasion of Poland in 1939 began more than six years of fighting on land, at sea and in the air that ended in 1945. More than one million Canadians and Newfoundlanders served in uniform at home and around the world; over 45,000 gave their lives and another 55,000 were wounded.

Factual accuracy review: No recorded challenge

Contributor: Citizen.ca

Verified against cited sourcesVerified on 2026-10-27↗
Photo: Canadian Official photographer · Photo licence: Public domain · Credit & context
Canadian troops heading for a rest after the capture of Vimy Ridge, May 1917.
CA-K1364History

Canada in the First World War, 1914–1918

When Britain declared war in August 1914, Canada, whose external affairs were still governed by the United Kingdom, was automatically at war. More than 650,000 Canadians and Newfoundlanders served in what was then called the Great War; more than 66,000 died and more than 172,000 were wounded. Canada signed the Treaty of Versailles separately from Britain.

Factual accuracy review: No recorded challenge

Contributor: Citizen.ca

Verified against cited sourcesVerified on 2026-10-27↗
Photo: Castle, W.I. (William Ivor), official Canadian War photographer · Photo licence: Public domain · Credit & context
Memorial to soldiers who died in the South African War, by Hamilton MacCarthy, Confederation Park, Ottawa.
CA-K1363History

Canada in the South African War, 1899–1902

The South African War, also known as the Boer War, was fought in southern Africa from 1899 to 1902 between the British Empire and the Boers. More than 7,000 Canadians volunteered to serve alongside British forces, and five earned the Victoria Cross. In February 1900 Canadians played an important role at Paardeberg, the first major British victory of the war.

Factual accuracy review: No recorded challenge

Contributor: Citizen.ca

Verified against cited sourcesVerified on 2026-10-27↗
Photo: D. Gordon E. Robertson · Photo licence: CC BY-SA 3.0 · Credit & context
Louis St. Laurent and Mackenzie King at the United Nations Conference, San Francisco, May 1945 (Nicholas Morant).
CA-K1054History

Mackenzie King leads Canada’s delegation to San Francisco, 1945

In 1945, Prime Minister Mackenzie King led the Canadian delegation to the United Nations Conference in San Francisco, which ran from April 25 to June 26.

Factual accuracy review: No recorded challenge

Contributor: Citizen.ca

Verified against cited sourcesVerified on 2026-10-27↗
Photo: Nicholas Morant / National Film Board of Canada. Phototheque / Library and Archives Canada / C-022717 · Photo licence: Public domain · Credit & context
Moraine Lake, Banff National Park.
CA-K1001Places & geography

Banff National Park’s wildlife and plants

The dense forests, glacial waters, high peaks and deep canyons of Banff National Park in Alberta provide habitat for 56 species of mammals, 300 species of birds and more than 800 species of plants. Building on a long history of wildlife research and conservation, Parks Canada works to protect and restore the park for future generations.

Factual accuracy review: No recorded challenge

Contributor: Citizen.ca

Verified against cited sourcesVerified on 2026-10-27↗
Photo: Florian Fuchs · Photo licence: CC BY 3.0 · Credit & context
Joseph Howe, 1865 (William Notman).
CA-K973History

Joseph Howe, “Tribune of Nova Scotia”

Joseph Howe, born in Halifax and largely self-taught, became publisher of the Novascotian and by 1836 was his province’s leading journalist and orator. Elected that year, he led the struggle that won responsible government in 1848. An eloquent opponent of Confederation in the 1860s, he joined the federal cabinet in 1869 after negotiating “better terms” for Nova Scotia, and shortly before his death in 1873 became its lieutenant governor.

Factual accuracy review: No recorded challenge

Contributor: Citizen.ca

Verified against cited sourcesVerified on 2026-10-27↗
Photo: William Notman · Photo licence: Public domain · Credit & context
Lester B. Pearson in a photograph published in a 1957 National Film Board photostory about his Nobel Peace Prize.
CA-K951History

Lester B. Pearson, diplomat and prime minister

Lester B. “Mike” Pearson, Canada’s fourteenth prime minister, was an influential diplomat who became Secretary of State for External Affairs in 1948, helped form NATO and won the 1957 Nobel Peace Prize for his leadership at the United Nations during the Suez crisis. Liberal leader from 1958 and prime minister from 1963 to 1968, he promoted bilingualism, championed the new flag, and brought in universal medicare and the Canada Pension Plan.

Factual accuracy review: No recorded challenge

Contributor: Citizen.ca

Verified against cited sourcesVerified on 2026-10-27↗
Photo: Capital Press · Photo licence: Public domain · Credit & context
Sir Ernest MacMillan, 1940 (Noel Rubie).
CA-K924Culture & sport

Sir Ernest MacMillan, conductor and champion of Canadian music

Ernest MacMillan, composer and organist, was knighted in 1935 for services to music in Canada. For many years he conducted the Toronto Symphony Orchestra and the Toronto Mendelssohn Choir, led the Toronto Conservatory of Music and was dean of music at the University of Toronto. He promoted music at every level, supporting national music organizations, publishing, and conducting and judging festivals across the country.

Factual accuracy review: No recorded challenge

Contributor: Citizen.ca

Verified against cited sourcesVerified on 2026-10-27↗
Photo: Noel Rubie · Photo licence: Public domain · Credit & context
Louis-Hippolyte LaFontaine, about 1863.
CA-K879History

Sir Louis-Hippolyte LaFontaine, architect of responsible government

Louis-Hippolyte LaFontaine, a jurist and reformer born at Boucherville in 1807, was one of the architects of responsible government in Canada. With Robert Baldwin he led the reform governments of the Province of Canada in 1842 and 1848. He left politics in 1851, became Chief Justice of Lower Canada in 1853 and was made a baronet in 1854.

Factual accuracy review: No recorded challenge

Contributor: Citizen.ca

Verified against cited sourcesVerified on 2026-10-26↗
Photo: Indéterminé · Photo licence: Public domain · Credit & context
Sir Robert Borden, 1911 (Notman studio).
CA-K784History

Sir Robert Borden, wartime prime minister

Sir Robert Borden, born at Grand-Pré, Nova Scotia, led the Conservative Party from 1901 and was Prime Minister from 1911 to 1920. He guided Canada through the First World War, imposed conscription for overseas service in 1917 and formed a Union government of Liberals and Conservatives. He is remembered above all for insisting that Canada act as an autonomous nation in international diplomacy.

Factual accuracy review: No recorded challenge

Contributor: Citizen.ca

Verified against cited sourcesVerified on 2026-10-26↗
Photo: Notman, Boston · Photo licence: Public domain · Credit & context
Statue of Frontenac on the façade of the Parliament Building, Québec City, 2015.
CA-K735History

Frontenac, governor of New France

Louis de Buade de Frontenac, governor of New France from 1672 to 1682 and 1689 to 1698, shaped the colony’s military destiny: he resisted the British attack of 1690 and invaded Haudenosaunee territory in 1696. To profit from the fur trade he defied policy against westward expansion, founding Fort Frontenac (Cataraqui) in 1673 and starting a network of posts; he remains a controversial, legendary figure.

Factual accuracy review: No recorded challenge

Contributor: Citizen.ca

Verified against cited sourcesVerified on 2026-10-26↗
Photo: Photo: Jean Gagnon · Photo licence: CC BY-SA 3.0 · Credit & context
Harold Adams Innis, 1910s.
CA-K711Culture & sport

Harold Innis, historian of staples and communications

Harold Adams Innis, one of Canada’s great scholars, joined the University of Toronto in 1920 and headed its Department of Political Economy from 1937. Through works such as The Fur Trade in Canada, The Cod Fisheries and Empire and Communications, he deeply influenced the study of economics, history, geography, politics and communications.

Factual accuracy review: No recorded challenge

Contributor: Citizen.ca

Verified against cited sourcesVerified on 2026-10-26↗
Photo: Unknown photographer (1910s) · Photo licence: Public domain · Credit & context
Samuel Cunard, between 1855 and 1865 (Nova Scotia Archives).
CA-K699Economy & trade

Sir Samuel Cunard and transatlantic steamships

Samuel Cunard, born in Halifax of Loyalist parents, built a Maritime empire in banking, lumber, land, coal and above all shipping. A pioneer of transatlantic steam navigation, he won an Admiralty contract in 1839 for scheduled Liverpool–Halifax–Boston mail service, and in July 1840 the Britannia, the first regular Cunarder, crossed in 13 days.

Factual accuracy review: No recorded challenge

Contributor: Citizen.ca

Verified against cited sourcesVerified on 2026-10-26↗
Photo: Unknown author · Photo licence: Public domain · Credit & context
Charles Tupper, 1896 (Topley Studio).
CA-K686Institutions

Sir Charles Tupper, Father of Confederation and prime minister

Charles Tupper of Amherst, a physician, became premier of Nova Scotia in 1864 and, allied with John A. Macdonald, advocated Confederation despite substantial opposition in Nova Scotia. After federal cabinet posts and 11 years as High Commissioner in London, he succeeded Bowell as prime minister in 1896, then led the opposition after his party’s defeat that year.

Factual accuracy review: No recorded challenge

Contributor: Citizen.ca

Verified against cited sourcesVerified on 2026-10-26↗
Photo: William James Topley · Photo licence: Public domain · Credit & context
Charles G. D. Roberts, 1904 (Library of Congress).
CA-K656Culture & sport

Sir Charles G. D. Roberts, father of English-Canadian poetry

Charles G. D. Roberts, born in Douglas, New Brunswick, grew up near the Tantramar Marshes that shaped much of his writing. His early poetry inspired the generation of writers known as the Confederation Poets and laid the foundations of a Canadian poetic tradition, earning him the title of father of English-Canadian poetry.

Factual accuracy review: No recorded challenge

Contributor: Citizen.ca

Verified against cited sourcesVerified on 2026-10-26↗
Photo: Unknown author · Photo licence: Public domain · Credit & context