Complete the sentence about Nicolaus Copernicus with the correct year: In ______, Niklas Koppernigk, the astronomer's great-great-grandfather, became a burgher of Kraków.

Answer and explanation

Correct answer: A. 1396

In 1396 Niklas Koppernigk, the astronomer's great-great-grandfather, became a burgher of Kraków.

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