We explore some of Wikipedia’s oddities in our 6,992,538-part monthly series, Wiki Wormhole.

A nearly century-long legal battle over royal property has ended, as Germany's federal government and the states of Berlin and Brandenburg reached a settlement with the descendants of a German noble ...

To the west, what had become the Kingdom of Poland and the Grand Duchy of Lithuania joined forces ... with help from Austria and Prussia. The Russians also seized territory in what is now southern ...

It also celebrated another anniversary in Polish history: 500 years since the Duchy of Prussia paid formal allegiance to the Polish king in 1525.

It also celebrated another anniversary in Polish history: 500 years since the Duchy of Prussia became a fiefdom of the Polish Crown in 1525. That has emotional resonance for some in a country that ...

It also celebrated another anniversary in Polish history: 500 years since the Duchy of Prussia paid formal allegiance to the Polish king in 1525. That has emotional resonance for some in a country ...

Berlin may be taken as a typical example; in 1619 it had 12,000 people, and in 1654 only 6,000. The Duchy of Prussia, a Polish land which became the backbone of the Hohenzollern monarchy, was farthest ...

The Polish workers’ movement emerged in a situation where there had been no Polish state since the former Polish-Lithuanian Commonwealth was partitioned between three ambitious continental empires, ...

In 1253 the ruler of this duchy - Prince Daniel Romanowicz crowned himself King ... At the same time the voivodeship was extended by such administrative units from Eastern Prussia as: Goldap, Olecko ...