Infosec engineer. Not an actual professor. Former technical support engineer, SOC analyst, IT technician, factory worker, radio DJ, bartender, cook, truck driver. Middle aged liberal snowflake who believes in equal rights and fair treatment for everyone.
I had to look that up the other day too. Wikipedia has what seems to be a reasonable explanation. Take a look at the “In Culture” section. https://en.m.wikipedia.org/wiki/Blåhaj
Of course, there was over 100 years between Columbus’ voyage and the voyage of the pilgrims on the Mayflower.