On May 28, 1865, Maxwell, part of a party that included Carstairs Douglas and two of the faithful, landed at Chichin Harbor in Kaohsiung. On June 16 the group arrived on Kanhsi Street in Tainan, where they began their medical missionary work. This day later became celebrated by the Presbyterian Church (the faith of the Church of Scotland) as the anniversary of the establishment of their sect in Taiwan.
一八六五年五月二十八日，馬雅各隨著杜嘉德牧師和兩名信徒，在高雄旗津港上岸，六月十六日來到台南看西街亭仔腳開始他的傳道醫療工作，這一天便成為英國長老教會日後的「在台設教紀念日」。