The Surname Act was introduced and King Rama VI gave surnames to many people who asked for them. 'Sukhum' was the first surname given to Chao Phraya Yommarat (Pan Sukhum).
- Siam Cement Company was founded under the Royal Decree of King Rama VI, with a vision to have a Thai-owned cement plant to reduce the need for cement imports and to drive the development of the country's infrastructure.