29 events the sources record for this year, grouped by region.
What happened
China (3)
By edict, Tuotuo was placed in overall command of the princes' and cities' armies and ordered to attack Gaoyou. (History of Yuan (Yuanshi), Annals 元史 卷43 順帝 1354年)
In-an returns from the Yuan and reports that when the taishi Tuotuo attacked Goyu fortress, Yu Tak and others led 23,000 Goryeo troops as vanguard. (Goryeosa (History of Goryeo) 世家 卷38 恭愍 三年)
1354: Yuan chancellor Toqto attacks Gaoyou; 23,000 troops including the Goryeo expedition were the vanguard, but just before it fell Toqto was exiled on a slander. The Goryeo army took Liuhe and moved to Huai'an; six including Yi Gwon were killed (Goryeosa Jeolyo (Essentials of Goryeo History) 권26 恭愍王 三年)
Southeast Asia (1)
The king went along the coastal road (tiranin pasir) to Lasem, then took the southern forest road and returned by way of Rodaya, Tutor and Sidemen. (Nagarakretagama raw 줄 573, 필사 쪽 (99b))
West Asia (14)
At night, 500 armed men come out of a trireme and enter the city, luring the gatekeeper by smashing oil jars to make noise before the Hodegetria gate. At dawn the citizens gather shouting "Long live John Palaiologos." (Doukas, History 11 (Bonn p.40-42))
Kantakouzenos gives up the throne and enters a monastery to live as a monk (Mount Athos). (Doukas, History 11 (Bonn p.43))
An earthquake at night shakes the room where the author is confined, bringing down part of the wall and books. (Nikephoros Gregoras, Roman History part_19.txt 줄 2464)
Palaiologos sets out from Thessalonica with a fleet via Lemnos, Samothrace, Imbros and Lesbos, enters the harbor of Tenedos and learns of Kantakouzenos's naval preparations. (Nikephoros Gregoras, Roman History part_19.txt 줄 2625)
Kantakouzenos leaves the harbor of Byzantium with 11 ships and reaches Tenedos in 7 days; a sortie by the garrison defeats his landing attack and cuts off his water supply. (Nikephoros Gregoras, Roman History part_19.txt 줄 2914–2915)
On a winter midnight Palaiologos slips from Tenedos into the capital in three days, passing the eastern harbor with 2 double-banked ships and 11 single-banked ones. (Nikephoros Gregoras, Roman History part_19.txt 줄 3094–3095)
A few days later Kantakouzenos leaves the palace, puts on a monk's habit and takes refuge with his wife Eugenia in the Mangana monastery. (Nikephoros Gregoras, Roman History part_19.txt 줄 3146)
In early spring the king meets Hyrkanos, governor of Bithynia, at Chalcedon to negotiate over his son. (Nikephoros Gregoras, Roman History XXXVI p.504)
The king orders Hyrkanos's son to hand over the insignia of rule over Bithynia, and the son goes to Nicaea to receive them. (Nikephoros Gregoras, Roman History XXXVI p.508)
After two years in Italy and Germany, John reaches Tenedos and makes a pact with the Genoese Francesco Gattilusio: if he regains the throne, he will give him his sister Maria as wife. (Ducas's chronological order may differ from the actual one.) (Doukas, History 11 (Bonn p.40))
The earthquake brings down many walls of the Chersonese and the ground opens and swallows people; some inhabitants surrender themselves to the nearby Turks. (Nikephoros Gregoras, Roman History part_19.txt 줄 2541)
After the earthquake Turkish bands make the inland Chersonese a land fit for horses, plunder it, impose taxes on every town and post commanders. (Nikephoros Gregoras, Roman History part_19.txt 줄 2561)
It is decided to move Matthew to Mytilene on Lesbos and have him watched (the guard being the Catalan Rotimo). (Nikephoros Gregoras, Roman History XXXVI p.503–504)
At the start of autumn Manuel Asan of Bizye petitions the king at Selymbria and is pardoned. (Nikephoros Gregoras, Roman History XXXVI p.510–511)
Nikephoros Kantakouzenos, count of Cephalonia, goes to the Acarnanians and Aetolians and makes an alliance. (Nikephoros Gregoras, Roman History XXXVII p.557)
Maria, daughter of Alexander, king of the Mysians, comes as fiancee of the young emperor Andronikos. (Nikephoros Gregoras, Roman History XXXVII p.557–558)
In early summer Hyrkanos's son is captured by pirates and carried off toward Phocaea. (Nikephoros Gregoras, Roman History XXXVII p.558–559)
At midsummer Matthew Kantakouzenos's army, crossing a pass near Christopolis, is defeated by the Triballi and Matthew is taken prisoner. (Nikephoros Gregoras, Roman History XXXVII p.564)