The University of Iceland was founded on June 17, 1911, on the centenary of Jón Sigurðsson, and for the first 29 years, it was housed in the Alþingishúsið by Austurvöllur. When the University of Iceland was founded, the School of Priests, the School of Medicine, and the School of Law were merged and each formed its own faculty, in addition to which a philosophy faculty was added. Vatnsveita Reykjavíkur began operations in 1909. The Reykjavík gas station at Hlemmur was taken into use in 1910. The gas station operated until 1956. The ports of Reykjavík were built in stages in the years 1913-17 and greatly improved ship facilities.
Elliðaárvirkjun was built in 1921 to supply the rapidly expanding city with electricity. In 1928, the first district heating well was drilled at Þvottalaugarnar, which had been used for decades for washing. During drilling, the water flow to the surface increased, 14 l / sec of 87 ° C hot water. The water was led about three km to Sundhöllinn swimming pool, Austurbæjarskóli school, Landsspítali hospital and 60 houses nearby. In March 1937, Reykjavík Swimming Hall was inaugurated and it was the town's first swimming pool. The first mayor of Reykjavík, Páll Einarsson, took office in 1908 and the first women to sit on the municipal council in Iceland were elected by women's candidates who ran in the Reykjavík municipal elections in January 1908. Here are just a few of the highlights of the city's history. The city of Reykjavík is 234 years old today and has grown and prospered in line with the spirit of the times and is today the capital of Iceland and the most populous municipality in the country. Thus, Reykjavík is the economic, cultural, and political centre of the country. 136,764 people live in Reykjavík but the population of the capital area is 233,944 in 7 municipalities.