Throughout the controversy, the line about the year 1619 being “our true founding” continued to haunt the Times. This criticism did not aim to denigrate the project’s titular date or the associated events in the history of slavery. Rather, the passage came to symbolize the Times’s blurring of historical analysis with editorial hyperbole. The announced intention of reframing the country’s origin date struck many readers across the political spectrum as an implicit repudiation of the American revolution and its underlying principles.

Rather than address this controversy directly, the Times—it now appears—decided to send it down the memory hole—the euphemized term for selectively editing inconvenient passages out of old newspaper reports in George Orwell’s dystopian novel 1984. Without announcement or correction, the newspaper quietly edited out the offending passage…