1684 in China

Decades:	1660s; 1670s; 1680s; 1690s; 1700s;
See also:	Other events of 1684; History of China • Timeline • Years

Events from the year 1684 in China.

Incumbents

The Kangxi Emperor lifts the haijin prohibition on sea trade, allowing foreigners to enter Chinese ports in 1684^[1]
The amount of copper in the alloys if cash coins was reduced from 70% to 60% all while the standard weight was lowered to 1 qián again, while the central government's mints in Beijing started producing cash coins with a weight of 0.7 qián. ^[2]^{[better source needed]}
The first mention of chili peppers in local gazettes in Hunan. They would later become a staple of Hunanese cuisine.^[3]
Sino-Russian border conflicts

Yinju (胤䄔; 13 September 1683 – 17 July 1684), 19th son of Kangxi, born through an unnamed Noble Lady, of the Gorolo clan (貴人郭絡羅氏)
Mu'an (Chinese: 木庵性瑫; pinyin: Mù'ān Xìngtāo; Japanese Mokuan Shōtō) (1611–1684) a Chinese Chan monk who followed his master Yinyuan Longqi to Japan in 1654

^ Shi 2006, pp. 8–10.
^ Hartill, David (2005). Cast Chinese Coins. Trafford, United Kingdom. p. 285. Trafford Publishing. ISBN 978-1412054669
^ "Why Revolutionaries Love Spicy Food". 14 April 2016. Archived from the original on 23 September 2020. Retrieved 21 May 2019.

Zhao, Erxun (1928). Draft History of Qing (Qing Shi Gao) (in Chinese).
Spence, Jonathan D. (2002), "The K'ang-hsi Reign", in Peterson, Willard J. (ed.), Cambridge History of China, Vol. 9, Part 1: The Ch'ing Dynasty to 1800, Cambridge: Cambridge University Press, pp. 120–182, ISBN 0521243343.
Shi, Zhihong (2006), "China's Overseas Trade Policy and Its Historical Results: 1522–1840", Intra-Asian Trade and the World Market, Studies in the Modern History of Asia, Abingdon: Routledge, pp. 4–23, ISBN 9781134194087.