The land of Laleh Park in Tehran metropolis was once known as Jalaliye neighborhood and square and was in the possession of the army, which was used for parades, parades and parades. These lands later became a neighborhood for horse racing and horse riding for the residents of the capital. In old Tehran, it was located outside the fence of Dar al-Khilafah and in the northwest of Tehran city. In 1339 and a few years before the current Laleh Park was built, an important event happened in the lands of Jalaliyeh. Dr. Mossadegh’s supporters announced their first gathering in Esbadwani Square. The gathering of more than 100,000 fans caused the then prime minister to resign.