30 2010s in Hertfordshire

The 2010 Hertsmere Borough Council election took place on 6 May 2010 to elect members of Hertsmere Borough Council in Hertfordshire, England. One third of the council was up for election and the Conservative party stayed in overall control of the council.

The 2010 St Albans City and District Council election took place on 6 May 2010 to elect members of St Albans District Council in Hertfordshire, England. One third of the council was up for election and the Liberal Democrats stayed in overall control of the council.

Elections to Stevenage Council were held on 6 May 2010. One third of the council stood for election; the seats which were last contested in 2006. The election saw the Conservative party gain a further 3 seats.

Elections to Watford Borough Council were held on 6 May 2010. Three years in every four, a third of the council retires and elections are held. The council election was held on the same day as the national General Election, when the Labour Party government lost power and the Watford parliamentary constituency was won by the Conservative Party.

The 2011 Hertsmere Borough Council election took place on 5 May 2011 to elect members of Hertsmere Borough Council in Hertfordshire, England. One third of the council was up for election and the Conservative party stayed in overall control of the council.

The 2011 St Albans City and District Council election took place on 5 May 2011 to elect members of St Albans District Council in Hertfordshire, England. One third of the council was up for election and the Liberal Democrats lost overall control of the council to no overall control.

Elections to Stevenage Council were held on 5 May 2011. One third of the council stood for election; the seats which were last contested in 2007. There were no changes from 2007.

Elections to Watford Borough Council in England were held on 5 May 2011. Three years in every four, a third of the council retires and elections are held.

The 2012 St Albans City and District Council election took place on 3 May 2012 to elect members of St Albans District Council in Hertfordshire, England. One third of the council was up for election and the council stayed under no overall control.

Elections to Stevenage Borough Council were held on 3 May 2012. One third of the council were elected; the seats which were last contested in 2008.

Elections to Watford Borough Council were held on 3 May 2012. Three years in every four, a third of the council retires and elections are held.

An election to Hertfordshire County Council took place on 2 May 2013 as part of the 2013 United Kingdom local elections. 77 electoral divisions elected one county councillor each by first-past-the-post voting for a four-year term of office. The electoral divisions were the same as those used at the previous election in 2009.

The 2014 St Albans City and District Council election took place on 22 May 2014 to elect members of St Albans District Council in Hertfordshire, England. One third of the council was up for election and the council stayed under no overall control.

The 2014 Stevenage Borough Council election took place on 22 May 2014 to elect members of Stevenage Borough Council in England. This was on the same day as other local elections; the seats which were last contested in 2010. The Labour Party retained control of the council, which it had held continuously since 1973.

The 2014 Three Rivers District Council election took place on 22 May 2014 to elect members of Three Rivers District Council in England. This was on the same day as other local elections.

The 2014 Watford Borough Council election took place on 22 May 2014 to elect members of Watford Borough Council in England. This was on the same day as other local elections.

The 2015 St Albans City and District Council election took place on 7 May 2015 to elect members of St Albans City and District Council in England. This was on the same day as other local elections.

The by-thirds 2015 Stevenage Borough Council election was held on 7 May 2015 to elect one third (thirteen) of the members (councillors) of the council, one for each ward, as part of the 2015 United Kingdom local elections held simultaneously with the 2015 General Election. The up for election were last contested in 2011. The Labour Party retained control of the council, which it had held continuously since 1973.

The 2015 Three Rivers District Council election took place on 7 May 2015 to elect members of the Three Rivers District Council in England. It was held on the same day as other local elections.

The 2015 Watford Borough Council election took place on 7 May 2015 to elect members of Watford Borough Council in England. This was on the same day as other local elections.

The 2016 St Albans City and District Council election took place on 5 May 2016 to elect members of St Albans City and District Council in England. This was on the same day as other local elections.

The 2016 Stevenage Borough Council election took place on 5 May 2016 to elect members of Stevenage Borough Council in England. This was on the same day as other local elections. One third of the council was up for election; the seats which were last contested in 2012. The Labour Party retained control of the council, which it had held continuously since 1973.

The 2016 Three Rivers District Council election took place on 5 May 2016 to elect members of Three Rivers District Council in England. This was on the same day as other local elections.

The 2016 Watford Borough Council election took place on 5 May 2016 to elect members of Watford Borough Council in England. This was on the same day as other nationwide local elections. The entire council was up for election, with each of the 12 wards electing 3 councillors.

The 2017 Hertfordshire County Council election took place on 4 May 2017 as part of the 2017 local elections in the United Kingdom. All 78 councillors were elected from electoral divisions which returned one county councillor each by first-past-the-post voting for a four-year term of office.

Elections to Stevenage Borough Council took place on 3 May 2018. This was on the same day as other local elections across the United Kingdom. One third of the council was up for election; the seats which were last contested in 2014. The Labour Party retained control of the council, which it had held continuously since 1973.

The 2019 Dacorum Borough Council election took place on 2 May 2019 to elect members of the Dacorum Borough Council in England. It was held on the same day as other local elections.

The 2019 St Albans City and District Council election took place on 2 May 2019 to elect members of St Albans City and District Council in England. This was on the same day as other local elections. At the elections, the Conservatives lost control of the council

Elections to Stevenage Borough Council took place on 2 May 2019. This was on the same day as other local elections across the United Kingdom. One third of the council was up for election; the seats which were last contested in 2015. The Labour Party retained control of the council, which it has held continuously since 1973.

The 2019 London Summit of the North Atlantic Treaty Organization (NATO) was the 30th formal meeting of the heads of state and heads of government of the North Atlantic Treaty Organization. It was held in The Grove, Watford, Hertfordshire, United Kingdom, on 3 and 4 December 2019.