Si Racha used to be part of Bang Lamung district which it borders today to its south. In 1900 (B.E 2443) Field Marshal Chao Phraya Surasak Montri came to the area of the modern town and built a sawmill under his company Sriracha Capital Company Limited. In 1903, Surasak Montri requested that the district capital of Bang Phra district be moved to Si Racha, which it did but retained its original name before becoming Si Racha district in 1917.[4]
The municipality was created as a subdistrict municipality (thesaban tambon) in 1945.[5] In 1995, the subdistrict municipality was upgraded to a town municipality (thesaban mueang).[6]
On 3 September 2023, an oil pipeline that was in use filling an oil tanker off a jetty owned by Thai Oil ruptured, causing an oil spill. The spill polluted the Gulf of Thailand with 50-70 m³, producing a 5 km slick. The spill is currently under the authority of the Pollution Control Department and the Marine Department. Thai Oil was later given permission to use 6,000 litres of dispersant on the slick.[7] As of 7 September 2023, the coral off the coast of islands in the gulf have been unaffected by the spill.[8]
Unrelated to the oil spill, on 8 September the waters off Si Racha experienced a plankton bloom caused by recent monsoons that had occurred across the country, causing the beaches up to Bang Saen Beach to be covered by dead marine life, including ponyfishes, crabs, pufferfishes, and tilapias.[9][10]
Education
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^Note: An alternative spelling is Sri Racha. Si Racha is the official transcription of the Thai pronunciation attributable to the fact that the consonant cluster /sr/ doesn't occur natively in Thai speech [1]Archived 2011-10-06 at the Wayback Machine.
^"アジアの補習授業校一覧" (). MEXT. January 2, 2003. Retrieved on January 12, 2018. "シラチヤ・パタヤ SRIRAOHA [sic]・PATTAYA JAPANESE SUPPLEMENT SCHOOL 53 SRIRACHA NAKHON SOI I, SUKHUMNT ROAD CHONBURI"