| 1893 | 3 | Yun discussed establishing a christian school with Candler | Yun Chi-ho Diary |
| 1895 | 7 | Yun proposed to establish a school in Songdo | Yun Chi-ho Diary |
| 1897 | 2 | Yun Chi-ho and Reid’s visit to Songdo | Yun Chi-ho Diary |
| 1906 | 9 | Architecture committee of gerdine, Yun, Cram, Wasson, Hounshell | Warren A. Candler Papers |
| 10 | Anglo-Korean school open | 100 Years of Songdo Academy |
| Yun mentioned about a school garden | Warren A. Candler Papers |
| Yun asked for a teacher of architecture, farming, and gardening, and fruit trees | Warren A. Candler Papers |
| 1907 | 1 | Candler ordered fruit trees and building materials in San Francisco | Yun Ch’i-Ho Papers |
| 2 | Candler notified the delivery of fruit trees and pecan | Yun Ch’i-Ho Papers |
| 4 | Yun planted fruit trees and pecans | Warren A. Candler Papers |
| 10 | Mr. Thompson arrived at school and started planning the school | Warren A. Candler Papers |
| 1908 | - | Stone dormitory completed | Southern Methodism in Korea |
| 1910 | - | First graduation of 10 students | Southern Methodism in Korea |
| 1912 | - | Industrial building completed | Southern Methodism in Korea |
| 1918 | - | Science hall completed | Southern Methodism in Korea |
| 1921 | - | Administrative building completed | Southern Methodism in Korea |
| 1922 | - | Dairy farm established | Southern Methodism in Korea |
| 1923 | - | Gymnasium construction completed | Southern Methodism in Korea |