934
Year 934 ( CMXXXIV) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * Spring and Summer – The Hungarians make an alliance with the Pechenegs, and fight their way through Thrace to Constantinople. * Battle of W.l.n.d.r: The Hungarians and Pechenegs kill Constantinople's inhabitants, inflict severe damage on the countryside, and defeat both the Byzantine Empire and Bulgaria, forcing them to pay tribute. Emperor Romanos I signs a peace treaty with the Hungarians.Timothy Reuter (1999). ''The New Cambridge Medieval History, Volume III'', p. 543. . Europe * King Henry I ("the Fowler") pacifies the territories to the north, where the Danish Vikings have been harrying the Frisians by sea. He defeats the Danes petty King Gnupa, and conquers Hedeby. * Summer – Caliph Abd-al-Rahman III invades Navarra and forces Queen Toda to submit to him. Her son the 15-year-old King Ga ...
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Eldgjá
Eldgjá (, "fire canyon") is a volcano and a canyon in Iceland. Eldgjá is part of the Katla volcano; it is a segment of a long chain of volcanic craters and fissure vents that extends northeast away from Katla volcano almost to the Vatnajökull ice cap. This fissure experienced a major eruption around 939 Common Era, CE, which was the largest effusive eruption in recent history. It covered about of land with of lava from two major lava flows. While Icelandic records about the effects of the eruption are sparse, paleoclimate proxies and historical records from China, Europe and the Islamic World, Islamic world describe widespread impacts on the Northern Hemisphere climate. The Eldgjá eruption produced a noticeable cooling of the climate, with resulting cold winters and food crises across Eurasia. Geology The interaction between the Mid-Atlantic Ridge and the Iceland hotspot has given rise to the stack of volcanic rocks that forms Iceland. Volcanoes on Iceland occur in four ...
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