The world in 735 AD — what happened that year

6 events the sources record for this year, grouped by region.

What happened

This year there is a bad harvest; from summer to winter smallpox (touzu-sō, popularly called mo-sō) spreads across the realm, and many die young. (Shoku Nihongi (Continued Chronicles of Japan) 續日本紀卷第12 「是歳。年頗不稔。自夏」)

It is reported that Silla renamed itself Wangseong-guk; the Ministry of War asks the purpose of the court visit and sends the envoy back. (Shoku Nihongi (Continued Chronicles of Japan) 續日本紀卷第12 「癸丑。遣中納言正三位」)
Great Envoy Tajihi no Hironari returns from Tang and hands back the sword of authority. (Shoku Nihongi (Continued Chronicles of Japan) 續日本紀卷第12 「三月丙寅。入唐大使從」)
The Tang-returned student Shimotsumichi no Makibi presents 130 volumes of the Tang Rites, the Daien-reki-kyō calendar, a shadow-measuring iron rule, pitch pipes, the Gakusho yōroku and others. (Shoku Nihongi (Continued Chronicles of Japan) 續日本紀卷第12 「辛亥。入唐留學生從八」)
296 Hayato from Ōsumi and Satsuma come to court and present tribute. (Shoku Nihongi (Continued Chronicles of Japan) 續日本紀卷第12 「秋七月己夘。大隅。薩」)
Many die of epidemic in the Dazaifu; offerings are made to the kami, sutra readings, medicine and relief are ordered. (Shoku Nihongi (Continued Chronicles of Japan) 續日本紀卷第12 「乙未。勅曰。如聞。比」)