The Intermunicipal Community of Lezíria do Tejo (CIMLT) was born from the extinct Urban Community of Lezíria do Tejo (CULT) and Association of Municipalities of Lezíria do Tejo (AMLT). Initially composed by twelve Municipalities - Almeirim, Alpiarça, Azambuja, Benavente, Cartaxo, Chamusca, Coruche, Golegã, Rio Maior, Salvaterra de Magos, Santarém and Vila Franca de Xira - the AMLT was constituted on January 22nd, 1987, being its deed published in the Diário da República on March 27th, 1987.