The oldest known records of
Imielin come from 1422, when it was a small village located near the road connecting
Warsaw and
Piaseczno, now
Puławska Street. Throughout history, it was known as
Emilin,
Imielino,
Jamielin,
Jemielin, and
Jemielino, among other names. In 1445, the village received the
Kulm law privileges from the duke
Bolesław IV of Warsaw, ruler of the
Duchy of Warsaw. In the 16th century, Imielin was a property of the Służewiecki family. In the 17th century, the village became property of Jakub Hieronim Rozdrażewski, the
voivode of the
Inowrocław Voivodeship. At the time there were between 8 and 11 households. In 1905, Imielin had 23 households. In 1921, it was inhabited by 296 people, and in 1923, by 211 people. Imielin was incorporated into the city of
Warsaw on 14 May 1951. Between 1976 and 1981, two housing estates, West Ursynów in the west, and
Imielin in the east, were built in the area. They consisted of apartment buildings, mostly built in the
large panel system technique. , built between 1979 and 1984. In 1979, the new headquarters and medical complex of the
Maria Skłodowska-Curie National Research Institute of Oncology begun being constructed at 5 Roentgena Street. Its first portion was opened in 1984, with expansions being opened in the following years, and with the full completion in 1997. In 1996, the Saint Christopher Oncological Hospice Foundation, which cares for
cancer patients, and helps their families, was founded at 105 Pileckiego Street. In 1998, the district of
Ursynów was subdivided into the areas of the
City Information System. Imielin, became one of them, encompassing the housing estates of
Imielin,
Na Skraju, and West Ursynów. In 2000, it was divided into two areas, separated by Pileckiego Street. Its western portion, which includgled West Ursynów, became Stary Imielin, and the esteren portion, which included Imielin and Na Skraju, became
Ursynów-Centrum. In 2006, the headquarters of the Institute of Haematology and Transfusion Medicine were built at 14 Indiry Gandhi Street. In 2021, the Southern Hospital was opened at 99 Pileckiego Street. == Characteristics ==