1397 on arvau

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January 8 Isabella of Valois, the 7-year-old wife of King Richard II since their marriage on October 31, is formally crowned as Queen consort of England at Westminster Abbey.
January 22 The 23rd Parliament of King Richard II of England assembles after having been summoned on November 30, and re-elects Sir John Bussy as the Speaker of the House of Commons, then meets for three weeks.

Tran Thuan Tong, the Vietnamese Emperor of Dai Viet since 1388, moves the imperial capital from Thang Long to Thanh Hóa.
Mircea I takes back the throne of Wallachia.
February 10 John Beaufort becomes Earl of Somerset in England.
February 12 The English Parliament adjourns, and King Richard II gives royal assent to several acts passed, including the Act against riding with weapons, and barring the carrying of a lancegay (a light spear) except in wartime. Another law places a penalty on "him who taketh another's horse or best for the King's service without sufficient warrant.
March 18 The Duchy of Milan, led by Gian Galeazzo Visconti, declares war against the Republic of Florence, led by Chancellor Coluccio Salutati, on the Italian peninsula.
March 28 King Charles VI of France and King Richard II of England sign a treaty settling the final issues remaining from the War of the Breton Succession, restoring the land confiscated from John IV, Duke of Brittany.

April 20 At Kalaburagi in the Bahmani Kingdom (now in India's state of Karnataka) Ghiyath-ad-din Shah becomes the new Shah upon the death of his father, Mohammed Shah II.
May 17 Callistus II Xanthopoulos becomes the new Patriarch to lead the Eastern Orthodox Church after the death of the previous Patriarch Antony IV.
June 14 Shams-ud-Din Shah becomes the new Shah of the Bahmani Kingdom (now in India's state of Karnataka) upon the death of his brother, Ghiyath-ad-din Shah.
June 17 Erik of Pomerania is crowned in Kalmar (Sweden) as ruler of the Kalmar Union, a personal union of the three kingdoms of Denmark, Norway (with Iceland, Greenland, the Faroe Islands, Shetland and Orkney) and Sweden (including Finland and Åland) engineered by Queen Margaret I of Denmark, his great-aunt and adoptive mother, who retains de facto power in the realm.

July 12 King Richard II of England orders the arrest of members of a group of powerful barons known as the Lords Appellant, including Thomas of Woodstock, Duke of Gloucester and Richard Fitzalan, Earl of Arundel. Gloucester is murdered while under house arrest on September 9 and Arundel is behaded on September 21.
August 28 As part of a division of the state of Holstein, the northernmost member of the Holy Roman Empire, between Count Albert II and his brother Count Gerhard VI (following the death of their uncle, Nicholas), Gerhard receives the Duchy of Schleswig and nearly all of Rendsburg, while Albert receives HOlstein-Segeberg.
September 9 While under house arrest at Calais, awaiting trial for treason against his nephew, King Richard II of England, Thomas of Woodstock, Duke of Gloucester is assassinated.

John Holland, Earl of Huntingdon is created Duke of Exeter, by his half-brother King Richard II of England.
Thomas Holland, 3rd Earl of Kent, John's brother, is created Duke of Surrey by King Richard.
Ralph Neville, Baron Neville is created as the first Earl of Westmorland.
October 13 Richard Whittington, Lord Mayor of London since June 8 when he was chosen by King Richard II following the June 6 death of the Lord Mayor Adam Bamme, is overwhelmingly approved by London's freemen to serve permanently after Whittington had negotiated a deal to settle its debt to the King for £10,000.

The Lin Kuan rebellion by the Kam people and Miao people of China in the Huguang province (now parts of the Hubei and Hunan provinces, against the Ming dynasty, ends after less than a year as Lin Kuan and his surviving followers are executed. Historical accounts indicate that more than 21,000 of the Kam civilians were killed during the suppression of the insurrection.
Matthew I of Constantinople becomes the new Patriarch to lead the Eastern Orthodox Church to replace the previous Patriarch, Callistus II Xanthopoulos.
November 8 Thomas Arundel, accused of high treason by King Richard II of England, is replaced by Roger Walden as Archbishop of Canterbury.
December 31 The Peace of Breno is signed in Val Camonica to temporarily halt the fighting between the Guelphs (who favor the Republic of Venice) and the Ghibellines (who favor the Duchy of Milan) in the fighting between the two nations.

The Ottomans capture the town of Vidin, the capital of the Tsardom of Vidin, the only remaining independent Bulgarian state. Emperor Ivan Sratsimir of Vidin is taken prisoner by early this year and later disappears while his son Constantine II becomes Emperor in his place.
Temür Qutlugh is crowned as the Khan of Golden Horde with the help of general Edigu, although Edigu continues to hold the real power.
The Università, a form of local government, is established in Malta.
The Kirillo-Belozersky Monastery is founded in northwestern Russia.
The Sretensky Monastery is founded in Moscow.
The first hospital in al-Andalus is created, at Granada.
Neuhausergasse 4, the brewer of Spaten, is listed on the register of Munich breweries.
Gregory of Tatev writes the Book of Questions, a ten-volume encyclopedic work, at the Tatev Monastery, in Armenia.</onlyinclude>

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