Template:Companies established in the decade

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Usage
Generates a category page for e.g. Category:Companies established in the 1610s. No parameters needed.

Parent categories will be generated. One of these, YYY0s in economic history, is only generated if it exists, and should not be created for early dates with no other contents, per consensus at Categories_for_discussion/Log/2024_January_23%23Economic_history_by_decade_and_year.