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The six “Historical Thinking Concepts” were developed by The Historical Thinking Project, which was led by Dr. Peter Seixas of the University of British Columbia and educational expert Jill Colyer. The project identified six key concepts: historical significance, primary source evidence, continuity and change, cause and consequence, historical perspectives and ethical dimensions. Together, these concepts form the basis of historical inquiry. The project was funded by the Department of Canadian Heritage and The History Education Network (THEN/HiER). Seixas and Tom Morton published a book, The Big Six: Historical Thinking Concepts, that expanded on these concepts.

Historians use written, oral and visual sources to develop and support their interpretations of historical events. The historical discipline divides source materials into two categories: primary sources and secondary sources. Both categories are flexible and depend on the subject and era a historian is investigating. 

Sandra Perron was a captain in the Royal 22e Régiment of the Canadian Forces. She served on peacekeeping missions overseas. Perron completed two tours in former Yugoslavia where she helped many displaced Bosnian children find shelter and much needed care. Listen to Perron’s story as she details her experiences as a Canadian Peacekeeper.

Please be advised that Memory Project primary sources may deal with personal testimony that reflect the speaker’s recollections and interpretations of events. Individual testimony does not necessarily reflect the views of the Memory Project and Historica Canada.

During the Second World War, Sheila Elizabeth Whitton was a coder for the Canadian Navy. Whitton was sent to England in preparation for D-Day to work on coding machines instrumental to the Allies’ success. Read and listen to Whitton’s recount of the loss of her husband in the war and the resilience she had to put forward.

Please be advised that Memory Project primary sources may deal with personal testimony that reflect the speaker’s recollections and interpretations of events. Individual testimony does not necessarily reflect the views of the Memory Project and Historica Canada.

Please be advised that Memory Project primary sources may deal with personal testimony that reflect the speaker’s recollections and interpretations of events. Individual testimony does not necessarily reflect the views of the Memory Project and Historica Canada.

Please be advised that Memory Project primary sources may deal with personal testimony that reflect the speaker’s recollections and interpretations of events. Individual testimony does not necessarily reflect the views of the Memory Project and Historica Canada.

Please be advised that Memory Project primary sources may deal with personal testimony that reflect the speaker’s recollections and interpretations of events. Individual testimony does not necessarily reflect the views of the Memory Project and Historica Canada.

Please be advised that Memory Project primary sources may deal with personal testimony that reflect the speaker’s recollections and interpretations of events. Individual testimony does not necessarily reflect the views of the Memory Project and Historica Canada.

Please be advised that Memory Project primary sources may deal with personal testimony that reflect the speaker’s recollections and interpretations of events. Individual testimony does not necessarily reflect the views of the Memory Project and Historica Canada.

Please be advised that Memory Project primary sources may deal with personal testimony that reflect the speaker’s recollections and interpretations of events. Individual testimony does not necessarily reflect the views of the Memory Project and Historica Canada.

Please be advised that Memory Project primary sources may deal with personal testimony that reflect the speaker’s recollections and interpretations of events. Individual testimony does not necessarily reflect the views of the Memory Project and Historica Canada.

Please be advised that Memory Project primary sources may deal with personal testimony that reflect the speaker’s recollections and interpretations of events. Individual testimony does not necessarily reflect the views of the Memory Project and Historica Canada.

Please be advised that Memory Project primary sources may deal with personal testimony that reflect the speaker’s recollections and interpretations of events. Individual testimony does not necessarily reflect the views of the Memory Project and Historica Canada.

Please be advised that Memory Project primary sources may deal with personal testimony that reflect the speaker’s recollections and interpretations of events. Individual testimony does not necessarily reflect the views of the Memory Project and Historica Canada.

Please be advised that Memory Project primary sources may deal with personal testimony that reflect the speaker’s recollections and interpretations of events. Individual testimony does not necessarily reflect the views of the Memory Project and Historica Canada.

The transcription in English is not available at this moment. Please refer to the transcript in French.

Please be advised that Memory Project primary sources may deal with personal testimony that reflect the speaker’s recollections and interpretations of events. Individual testimony does not necessarily reflect the views of the Memory Project and Historica Canada.

Please be advised that Memory Project primary sources may deal with personal testimony that reflect the speaker’s recollections and interpretations of events. Individual testimony does not necessarily reflect the views of the Memory Project and Historica Canada.

Please be advised that Memory Project primary sources may deal with personal testimony that reflect the speaker’s recollections and interpretations of events. Individual testimony does not necessarily reflect the views of the Memory Project and Historica Canada.

Please be advised that Memory Project primary sources may deal with personal testimony that reflect the speaker’s recollections and interpretations of events. Individual testimony does not necessarily reflect the views of the Memory Project and Historica Canada.

Please be advised that Memory Project primary sources may deal with personal testimony that reflect the speaker’s recollections and interpretations of events. Individual testimony does not necessarily reflect the views of the Memory Project and Historica Canada.