In November 2008, the city made worldwide news by installing solar panels on top of crypts in the local cemetery, in an effort to help fight climate change.
[4] Various archaeological finds from the Neolithic and Eneolithic times, discovered within the Santa Coloma de Gramanet area, reveal the presence of human groups at least from the year 3500 BC.
Several migrations from the north arrived in the area that converged a short time later in the settlement of the Iberian tribe of Layetanos, established in the 6th or 5th century B.C.
They occupied the entire coastal strip from Sitges to Blanes, and their culture survived until the strong impact of the Roman conquest (3rd century B.C.)
It seems that there were several villages scattered in the valley, near the Besòs, very influenced by the neighboring cities: Baetulo (Badalona), active until the 2nd century A.D., and Barcino (Barcelona).
The Plaza de la Vila, with its corresponding urbanization, emerged at the end of the s. XIX in the lands of the disappeared farmhouse of Can Pascali.
The first nucleus of buildings, known as Casa de la Villa or New Town Hall, dates from the year 1886 and consisted of the municipal government offices, together with the court-prison and a school.
The trace of the modernist movement is not lacking either, reflected in the combination of artificial stone and exposed brick and in the ornamentation carried by the two capitals – one lower and one upper – that support each column.
You have to observe the three in the center, made by the cartoonist Pere Cánovas and the glazier Francisco Queixalós that offer a rich diversity of colors.
In addition, the blue color that decorates the lower part of the two stained glass windows – "rural" and "urban" – evokes the river Besós present in all eras.
Of the current building, the most remarkable element is the presbytery, decorated by the artist Grau Garriga, and which is presided over by an impressive cotton tapestry in the shape of the Esquix lamb, which symbolizes Jesus Christ.
The town was medium in size, basically dedicated to agriculture and livestock, although traces found confirm commercial activity with foreign civilizations such as the Greek or Carthaginian.
The town was discovered in 1902 by Ferran de Sagarra, who carried out the first excavations and finds, ceded to the Institute of Catalan Studies.