I don't know the answer to your question (though I'm curious too!) but wanted to link this nifty map from NOAA re:pole movements- https://maps.ngdc.noaa.gov/vi

I don't know the answer to your question (though I'm curious too!) but wanted to link this nifty map from NOAA re:pole movements- https://maps.ngdc.noaa.gov/viewers/historical_declination/ https://maps.ngdc.noaa.gov/viewers/historical_declination/