Tông-tǐ同治

the Tongzhi Emperor

the Tongzhi Emperor (the ninth emperor of the Qing dynasty); the Tongzhi era (a Chinese era name; the era of that emperor's reign, from 1862 to 1875)

English Wiktionary, “同治” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%90%8C%E6%B2%BB · confidence: Medium (Wiktionary, Hokkien)