From Dontopedia, the open, paraconsistent wiki. (Last updated 2026-05-06.)
Phonograph Exhibition has 7 facts recorded in Dontopedia across 4 references.
Mostly:scheduled at(2), illustrated with(1), includes lecture on(1)
atLocationdateatTimeline axis is valid_time — when each source says the fact was true in the world, not when Dontopedia learned about it. Retracted rows are kept for provenance; coloured stripes indicate the context kind.
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