North America

1958 The 100th Anniversary of the Canadian Oil Industry

1958 National Health

1958 The 350th Anniversary of Founding of Quebec by Samuel de Champlain

1958 La Verendrye (Explorer) Commemoration

1958 The 100th Anniversary of British Columbia

1958 International Geophysical Year

1958 The Canadian Press

1957 Royal Visit

1957 Mining Industry

1957 The 14th UPU Congress, Ottawa