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Alexis, Russian czarevich

(Encyclopedia)Alexis (Aleksey Petrovich) əlyĭksyāˈ pētrôˈvĭch [key], 1690–1718, Russian czarevich; son of Peter I (Peter the Great) by his first wife, and father of Peter II. Opposing his father's anticle...

Catherine I

(Encyclopedia)Catherine I, 1683?–1727, czarina of Russia (1725–27). Of Livonian peasant origin, Martha Skavronskaya was a domestic when she was captured (1702) by Russian soldiers. As mistress of Aleksandr D. M...

cyanobacteria

(Encyclopedia)cyanobacteria sīˌənōbăktĭrˈēə, sī-ănˌō– [key] or blue-green algae, photosynthetic bacteria that contain chlorophyll. For many years they were classified in the plant kingdom along with ...

Menshikov, Aleksandr Danilovich, Prince

(Encyclopedia)Menshikov, Aleksandr Danilovich, Prince əlyĭksänˈdər dənyēˈləvĭch mĕnˈshĭkəf [key], 1672?–1729, Russian field marshal and statesman. Of lowly origin, he became an intimate companion of...

Gordon, Patrick

(Encyclopedia)Gordon, Patrick, 1635–99, Scottish soldier of fortune and Russian general, b. Scotland. After serving alternately on both sides in the war between Sweden and Poland (1655–60), he entered the Russi...

Apraksin, Feodor Matveyevich

(Encyclopedia)Apraksin, Feodor Matveyevich fyôˈdər mətvyāˈəvĭch əpräkˈsyĭn [key], 1671–1728, Russian admiral. He helped Peter I (Peter the Great) create the Russian navy and won several naval battles ...

Henry II, Spanish king of Castile and León

(Encyclopedia)Henry II or Henry of Trastámara trăstəmărˈə [key], 1333?–1379, Spanish king of Castile and León (1369–79), illegitimate son of Alfonso XI. After taking part in several unsuccessful revolts ...

Peter I, duke or count of Brittany

(Encyclopedia)Peter I (Pierre Mauclerc), d. 1250, duke or count of Brittany (1213–37). The son of Robert II, count of Dreux, he married Alix, half-sister and heiress of Arthur I duke of Brittany. His surname, mea...

Peter III, king of Aragón and king of Sicily

(Encyclopedia)Peter III (Peter the Great), 1239?–1285, king of Aragón and count of Barcelona (1276–85) and king of Sicily (1282–85); son and successor of James I. In 1280 he established Aragonese influence o...

Sophia Alekseyevna

(Encyclopedia)Sophia Alekseyevna sôˈfyə əlyĭksyāˈyəvnə [key], 1657–1704, regent of Russia (1682–89); daughter of Czar Alexis by his first wife and sister of Czar Feodor III. Supported by the streltsi (...