Short answers, pulled from the story.
The earliest documentary mention of Nurmijärvi dates back to 1488 when the village of Uotila appeared in records. Archaeological finds dating back to 4500 BC and 3500 BC prove that the area was inhabited during prehistoric times before any permanent settlement existed at the start of the Middle Ages.
In 1775 the population stood at 1471 people when the administrative parish formed. Today Klaukkala houses over 20000 inhabitants making it the largest urban area within the municipality while Nurmijärvi itself contains nearly 8000 people and northern settlement Rajamäki holds over 7000.
Pharmacist Albin Koponen founded Finland's first pharmaceutical factory here in 1899. This plant produced filizine extracted from male fern root rhizomes sold as medicines called Filisin and Filicon which reached markets all the way to China and America.
Measuring instruments from Finnish Meteorological Institute located in Nurmijärvi detected rising radiation levels caused by Chernobyl disaster on Sunday the 27th of April 1986 just one day after the explosion occurred.
On the 29th of January 2020 officials declared themselves officially Capital of Aleksis Kivi. Nurmijärvi serves as birthplace of Finland's national author Aleksis Kivi whose work Seitsemän veljestä translates to The Seven Brothers published in 1870.
Current municipal manager Outi Mäkelä succeeded Kimmo Behm who retired the 1st of May 2018. The Municipal Council contains fifty-one members chaired by Virpi Räty with municipal board chairman Kallepekka Toivonen.