13 events the sources record for this year, grouped by region.
What happened
China (1)
The Joseon court sent an envoy to Beijing to inform Ming of Japan's invasion plans. A Ryukyuan envoy arrived first. (Griffis, Corea, the Hermit Nation p.94 (ch.XII))
Korean Peninsula (1)
Yoshitoshi came to Busan at his own expense and petitioned Seoul, but after ten days of waiting got no answer, only a defiant reply letter. (Griffis, Corea, the Hermit Nation p.94 (ch.XII))
Japan (1)
In Kyoto they were granted an audience with Hideyoshi. His reply letter was so arrogant that the envoys sent it back several times. (Griffis, Corea, the Hermit Nation p.92-93 (ch.XII))
Southeast Asia (1)
The Mạc tried to raise a great army of more than 100,000 (four jin, four wei, five bu). (Đại Việt sử ký toàn thư 本紀卷之十七 「'''辛卯，十四年（莫改興治爲洪」)
Sub-Saharan Africa (6)
The Moroccan army camps for 35 days below the southern wall of Timbuktu (Tarikh al-Sudan (Chronicle of the Sudan) Houdas 1900 불역 장 XXI-XXIII (houdas1900_fr_djvu.txt 줄 10186))
Mahmud ben Zarq arrives at Timbuktu with Caid Abd el-Ali and Hammu Barka (Tarikh al-Sudan (Chronicle of the Sudan) Houdas 1900 불역 장 XXI-XXIII (houdas1900_fr_djvu.txt 줄 10376))
Mahmud and Askia Ishaq clash at Banba and fight near the Jenjen hill (Tarikh al-Sudan (Chronicle of the Sudan) Houdas 1900 불역 장 XXI-XXIII (houdas1900_fr_djvu.txt 줄 10433))
Yahya is shot [by a gun] the moment he arrives below the kasbah wall (same-day death record, line 14350) (Tarikh al-Sudan (Chronicle of the Sudan) Houdas 1900 불역 장 XXI-XXIII (houdas1900_fr_djvu.txt 줄 10493))
Barayshigo arrives to handle the money Askia was to pay Judar as the price of peace (Tarikh al-Sudan (Chronicle of the Sudan) Houdas 1900 불역 장 XXI-XXIII (houdas1900_fr_djvu.txt 줄 11028))
Eastern Europe & Russia (3)
In summer 1591, as the khan marched on Moscow, Swedish troops near Gdov defeated a Rus detachment and captured the governor Dolgorukov. (Karamzin, History of the Russian State 제10권 II장)
Voevoda Marsalsky of Tobolsk set out on July 8 and on August 1 attacked Kuchum at Lake Chirikul on the Ishim; he captured Kuchum's son and two wives. (Remezov Siberian Chronicle 레메조프본 ст.128)
Kuchum hid in the forests and lakes upstream of the Ishim near the Kalmyk border, harassed the Tara area, and roamed until 7105. (Remezov Siberian Chronicle 레메조프본 ст.129)