This resulted in significant breakthroughs at the 2013 local elections, 2014 European elections, and 2015 general election.

The pressure UKIP exerted on the government is widely regarded as the main reason for the 2016 referendum which led to the decision to withdraw from the European Union.

Holmes took over as party leader, and in the 1999 European Parliament elections—the first UK election for the European Parliament to use proportional representation—UKIP gained 7% of the vote and three seats, in South East England (Farage), South West England (Holmes), and the East of England (Jeffrey Titford).

Kilroy-Silk then criticised Knapman's leadership, arguing that UKIP should stand against Conservative candidates, regardless of whether they were Eurosceptic or not.

This position was rejected by many party members, who were uneasy regarding Kilroy-Silk.

UKIP originated as the Anti-Federalist League, a single-issue Eurosceptic party established in London by the historian Alan Sked in 1991.

It was renamed UKIP in 1993 but its growth remained slow; it was largely eclipsed by the Eurosceptic Referendum Party until the latter's 1997 dissolution.

) is a Eurosceptic and right-wing populist political party in the United Kingdom.

Headquartered in Newton Abbot, Devon, its current leader is Henry Bolton.UKIP's support increased during the 2004 European Parliament elections, when it placed third, securing 2.6 million votes (16.1%) and winning 12 seats.This had been enabled through increased funding from major donors and the celebrity endorsement of chat show host Robert Kilroy-Silk, who stood as a candidate in the East Midlands.Electoral support for the BNP grew during this period, with academics and political commentators suggesting that the parties were largely competing for the same voter base, a section of about 20% of the UK population.Given that the BNP had outperformed UKIP in most of the seats that they both contested, many UKIP members, including several figures on the NEC, favoured an electoral pact with them, a proposal that Farage strongly condemned.Led by Farage, the NEC removed Holmes from power, and Titford was elected leader.