Diplomacy

art and practice of conducting negotiations between representatives of groups or states

10 dated entries naming Diplomacy, drawn from 10 separate years between 372 CE and 1980 CE. Nothing here is written by us: each line is the sentence a Wikipedia year article used, and the link beside it opens the exact revision.

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4th century

372The first diplomatic ties are established between the Korean kingdom of Baekje and the Chinese court of the Jin Dynasty.source

5th century

480Budhagupta, ruler of the Gupta Empire, establishes diplomatic relations with the Kannauj Kingdom and drives the Huns out of the fertile plains of northern India.source

6th century

556April 16 – The diplomatic representative (apocrisiarius) to Constantinople is elected as Pope Pelagius I, succeeding Vigilius as the 60th pope of Rome.source
558Istämi, ruler of the Western Turkic Khaganate, establishes diplomatic relations with the Byzantine Empire.source
596Emperor Wéndi sends diplomatic letters to the royal court of Goguryeo (Korea). He demands the cancellation of the military alliance with the Eastern Turk Khanate, and the raiding of Sui border regions.source

7th century

625King Pulakeshin II of Chalukya receives Persian envoys, who are sent by King Khosrau II at Badami (southern India).source
645Kōtoku creates a new city at Naniwa, and moves the capital from Yamato Province. The capital has a sea port, establishing foreign trade and diplomatic relations.source

8th century

795King Offa of Mercia receives diplomatic gifts from Charlemagne. He re-founds St. Albans Abbey, supposedly in thanks for overrunning East Anglia (approximate date).source

20th century

1933November 16 – The United States and the Soviet Union establish formal diplomatic relations.source
1980January 27 – Canadian Caper: Six United States diplomats, posing as Canadians, manage to escape from Tehran, Iran, as they board a flight to Zürich, Switzerland, on Swissair.source