Siam's first railroads are built during Chulalongkorn's…
1888 CE to 1899 CE
Siam's first railroads are built during Chulalongkorn's reign, and a line is completed between Bangkok and Ayutthaya in 1897.
This will be extended farther north to Lop Buri in 1901 and to Sawankhalok in 1909.
A rail line built south to Phetchaburi by 1903 will eventually be linked with British rail lines in peninsular Malaya.