“You cannot discover lands already inhabited.” – Indigenous activist and scholar Steven Newcomb (Shawnee/Lenape)
Before residential schools, before the Indian Act, before reserves — there was the so-called “Doctrine of Discovery.” A racist, colonial ideology born from 15th-century papal bulls (official decrees from the Catholic Church), the Doctrine of Discovery gave European Christian explorers the “right” to claim any lands not inhabited by Christians. The people living there? Considered “uncivilized,” “heathen,” or “pagan”—and therefore undeserving of sovereignty, land, or even humanity.
This doctrine wasn’t just a twisted religious belief. It became the legal, political, and cultural foundation for the theft of Indigenous lands in what we now call Canada, the U.S., and much of the Americas. Its poison echoes in legal systems today — including Canadian law.
What Did the Doctrine Say?
Issued in the late 1400s, papal bulls such as Inter Caetera and Dum Diversas empowered European nations to conquer, colonize, and convert. These documents formed the ideological basis for colonial expansion and laid the groundwork for genocide.
In Canada, the Doctrine of Discovery still appears in Supreme Court rulings. In the 2014 Tsilhqot’in Nation v. British Columbia case — even as Indigenous title was recognized — the court reaffirmed that Crown sovereignty is presumed, even over unceded Indigenous lands. Why? Because of this centuries-old doctrine.
Why Does It Still Matter?
Most Canadians have never heard of it. But the Doctrine of Discovery still shapes how governments justify the occupation of Indigenous lands. It supports the idea that Canada, as a settler state, has the ultimate authority — even where no treaties were signed, and even where Indigenous nations never surrendered their land.
When land protectors from Wet’suwet’en, Haudenosaunee, or Mi’kmaq nations assert sovereignty, they are often criminalized or surveilled. When they fight for clean water, housing, or even access to their own children — the state often responds with silence, bureaucracy, or police.
That’s not just history. That’s now.
Calls to Action
The Truth and Reconciliation Commission called for the rejection of the Doctrine of Discovery in Canadian law and policy. Indigenous nations have called on the Catholic Church to rescind the papal bulls that gave rise to it. In 2023, the Vatican finally disavowed the doctrine, but has not fully revoked it. The damage, of course, has long been done — and continues.
What Can You Do?
•Learn how the Doctrine of Discovery influences modern land disputes, court decisions, and social policies.
•Support Indigenous-led legal and land defense funds.
•Challenge narratives that suggest Canada is a neutral or benevolent settler state.
•Amplify Indigenous calls to reclaim and steward their lands on their own terms.
Reconciliation isn’t possible without truth. And the truth is: the land you’re on was never terra nullius — empty land. It was, and is, home.
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