John IV, Duke of Mecklenburg was sole ruler of the Duchy of Mecklenburg from 1384 to 1395 and co-regent from 1395 to 1422.
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Fame.am measures public visibility signals. It does not measure human value, talent, morality, or credibility.
John IV, Duke of Mecklenburg was sole ruler of the Duchy of Mecklenburg from 1384 to 1395 and co-regent from 1395 to 1422.
Also inDeutsch
Fame.am measures public visibility signals. It does not measure human value, talent, morality, or credibility.