Johannes VIII Palaelogus

Japanese: ヨハネス[8世](英語表記)Johannes VIII Palaelogus
Johannes VIII Palaelogus
1390‐1448
Byzantine Emperor. Reigned 1425-48. Son of Manuel II, he had been co-emperor since 1421 and ascended to the throne after his father's death. He went to Italy (1437) to seek military assistance from the West to counter the Ottoman Empire, and signed the Declaration of Unity of the Eastern and Western Churches at the Council of Ferrara and Florence (1439), but this was ineffective. Defeats at the Battle of Varna (1444) and the Battle of Kosovo (1448) led to the failure of Christian counterattacks, and the siege of the Byzantine Empire became increasingly tense.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
1390‐1448
ビザンティン帝国の皇帝。在位1425‐48年。マヌエル2世の息子で1421年来共同皇帝となり,父の死後即位。オスマン帝国軍に対抗するため西欧の軍事援助を必要としイタリアに赴き(1437),フェラーラ・フィレンツェ公会議で東西両教会の統一宣言に署名したが(1439),実効はあがらなかった。バルナの戦(1444)に続くコソボの戦(1448)の敗北により,キリスト教徒の反撃は失敗し,ビザンティン帝国に対する包囲網はますます縮まった。

出典 株式会社平凡社世界大百科事典 第2版について 情報

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