Tsar

Slavic title given to a male or female monarch

11 dated entries naming Tsar, drawn from 11 separate years between 1190 CE and 1908 CE. Nothing here is written by us: each line is the sentence a Wikipedia year article used, and the link beside it opens the exact revision.

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12th century

1190Isaac II starts a campaign against the Bulgarians, who claim their independence. After passing the Balkan Mountains, Isaac marches westward to besiege Tarnovo, the new Bulgarian capital. Meanwhile, the Byzantine fleet reaches the Danube River in order to block the way of Cuman reinforcements from the North. The defense of Tarnovo is led by Ivan Asen I, emperor (Tsar) of Bulgaria. After spreading rumors of the arrival of a Cuman army to relieve the city, Isaac orders to retreat to Stara Zagora.source

13th century

1280Tsar Ivan Asen III of Bulgaria flees from Tarnovo, ending the Asen dynasty in Bulgaria.source

14th century

1396The Ottomans capture the Bulgarian fortress of Vidin and Tsar Ivan Sratsimir, ending the Second Bulgarian Empire. The Bulgarian state is reestablished in 1878 as the Principality of Bulgaria.source

17th century

1605July 21 – Claiming to be Dmitriy, son of Ivan the Terrible, a pretender is officially crowned Tsar Dimitriy Ioannovich of Russia in Moscow by Patriarch Ignatius.source
1612January 10 – Gustavus Adolphus replies to Metropolitan Isidor, Odoevskij and the estates of Novgorod, stating that he himself wishes to assume responsibility for the government of Novgorod and also of all Russians. A number of land grants signed the same day show that the Swedish king has assumed the title of Tsar.source
1613March 3 (February 21 O.S.) – An assembly of the Russian Empire elects Mikhail Romanov Tsar of Russia, ending the Time of Troubles. The House of Romanov will remain a ruling dynasty until 1917.source
1645July 23 – Tsar Alexei Mikhailovich of Russia comes to the throne.source
1676January 29 – Feodor III becomes Tsar of Russia.source

18th century

1716Tsar Peter the Great of Russia studies with the physician Herman Boerhaave, at Leiden University.source

19th century

1816January 6 – (December 25, 1815 on the Russian Julian calendar): Tsar Alexander I of Russia signs an order, expelling the Jesuits from St. Petersburg and Moscow.source

20th century

1908October 5 – Bulgaria declares its independence from the Ottoman Empire; Ferdinand I of Bulgaria becomes Tsar.source