In which dynasty did couplets first come from and were invented?

1. Couplets originated in the Three Kingdoms period. During the Hongwu period of the Ming Dynasty, an extra-large iron cross was unearthed in Luling, Jiangxi Province, on which was cast the year number of Sun Quan Chiwu in the Three Kingdoms period. On the iron cross, there is also a beautifully made couplet cloud: "The four seas celebrate An Lan, and the iron column leaves a cross; All the people are pregnant with Ozawa, and the golden stove is fragrant for thousands of years. "

2. Couplets, one of the traditional cultures in China, also called couplets or couplets, are antithetical sentences written on paper, cloth or carved on bamboo, wood and columns. The antithesis of couplets is neat and even, which is a unique artistic form of Chinese language. Couplets are the treasures of China traditional culture. Spring Festival couplets are called Spring Festival couplets, funeral couplets are called elegiac couplets, and wedding couplets are called violet couplets. Couplets are a national style written by using the characteristics of Chinese characters, and generally do not need rhyme.