Trishal Thana was formed in 1909 and it was turned into an upazila in 1983.
Nazrul heritage sites Trishal is famously known for its deep connection with the National Poet
Kazi Nazrul Islam, who spent a significant part of his childhood and early education here. Notable heritage sites include: •
Nazrul Academy: A cultural institution and library established in memory of the poet to preserve his literary works. •
Darirampur High School: The school where the poet studied in class seven in 1914. It is now a prominent secondary school in the region. •
Kazir Shimla: The ancestral residence of the Kazi family where the poet stayed during his time in Trishal. ==Education==