Jim Leedman Peter Hughes The 1974 ACT Liberal Party leadership election was held on 30 October 1974.

[13][14][15][16] Peter Hughes Jim Leedman The 1977 ACT Liberal Party leadership election was held on 20 January 1977.

[21] Jim Leedman Trevor Kaine The 1988 ACT Liberal Party leadership election was held on 10 December 1988.

[27] On 6 June, the Residents Rally – following a breakdown of the Alliance government – supported Labor in a no-confidence motion against chief minister Trevor Kaine, leading to Rosemary Follett returning to the position.

[32] Humphries was supported by his fellow Liberals – Robyn Nolan, David Prowse and Bill Stefaniak – while Kaine was the only MLA to vote against.

[36] One week later at 2:30pm on 21 June, Kaine resigned as opposition leader, the Liberal Party did not have enough votes to elect Humphries to the position.

[44][45] Trevor Kaine Kate Carnell The 1993 ACT Liberal Party leadership spill was held on 21 April 1993.

[50][55] Kate Carnell Gary Humphries The 2000 ACT Liberal Party leadership election was held on 18 October 2000.

[56][57] Although Carnell considered a number of options – including resigning as chief minister but remaining Liberal leader, calling an early election or allowing Labor to govern – it became clear that independent crossbenchers Dave Rugendyke and Paul Osborne would support the motion.

[57] She ultimately chose to resign as both chief minister and Liberal leader on 17 October, one day before the motion was scheduled to be debated.

Following the 2012 ACT election, neither the Liberals nor the Labor Party had won the sufficient number of seats to form government in their own right, meaning they required the support of Shane Rattenbury, the sole Greens MLA.

Just four months after being re-elected as leader, Zed Seselja announced he would seek Liberal Party preselection for the 2013 federal election as a senator for the Australian Capital Territory, challenging incumbent Gary Humphries.

[63] Liberal health spokesperson Jeremy Hanson was elected leader with a "solid majority", defeating Brindabella MLA Brendan Smyth.

[81][82] Giulia Jones Jeremy Hanson The 2022 Canberra Liberals deputy leadership election was held on 1 February 2022.

[90] Jeremy Hanson was spilled as deputy leader at a partyroom meeting, following reports that he privately had "misgivings" with Elizabeth Lee's leadership.

[94] Following the spill, Hanson said he was "disappointed" but would "continue to work hard for our community as a loyal and passionate member of the Canberra Liberals team".

[99][100] However, one day before the vote, Hanson withdrew from the leadership contest and agreed to support deputy leader Leanne Castley instead.