Autonomy Lost and Regained: The Ukrainian Orthodox Metropolia of Kyiv, 1633-2019

Two Tsars?

Yes! The half-brothers Ivan and Peter were (at least theoretically) co-rulers from 1682 to 1696. Ivan was the oldest surviving son of the previous tsar, but because he suffered from substantial physical and mental health issues, he was to be passed over in succession in favor of his half-brother Peter. This prompted the "Moscow Uprising of 1682", which was defused with a compromise that made them co-tsars until Ivan's early death.

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