Get answers to military history questions

You have several ways to get answers to your military history questions.

General questions

The fastest way to get answers is to review our online information. If you have other questions, please use this form (see instructions below):

Directorate of History and Heritage (DHH)
National Defence Headquarters
101 Colonel By Dr
Ottawa ON  K1A 0K2
Fax: 613-990-8579

Personnel records

If you seek military personnel records, visit the Canadian Genealogy Centre of Library and Archives Canada.

Questions from members of the Canadian Armed Forces

If you are a serving member of the Canadian Armed Forces, you can get more information on:

  • policies
  • eligibility
  • directives

Please submit a request through your chain of command.

Other questions

We accept questions in written form only. After you fill in the form above, there are 3 ways to send it:

  • submit the form online (use the “Submit” button above)
  • print the form and mail it to us (use the address above)
  • print and fax the form to us (use the Fax number above)

We will respond in 2 to 30 working days, depending on the complexity of your question and our workload.

To help us answer better, please tell us:

  • what research you have already done on the subject
  • how you will use your research (general interest, academic, publication, family history, etc.)
  • your area of interest (army, navy, air force, First World War, military traditions, uniforms, etc.)
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Thank you for your help!

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