Jan. 31 — Finance Minister Jim Flaherty goes public with details of his painful skin disorder in response to mounting speculation about his appearance and public performance.
Feb. 1 — Harper punts the issue of Senate reform by sending a reference to the Supreme Court of Canada seeking the court's opinion on reform options, something the Liberal opposition first said he should do in 2007.
Feb. 6 — Harper says the Conservative party "followed the rules" with anonymous Saskatchewan robocalls designed to influence public opinion on riding redistribution.
Feb. 7 — Conservative Sen. Patrick Brazeau is arrested at his home on sexual assault charges, expelled from the party caucus.
Feb. 14 — The government apologizes for losing the personal information of more than half a million Canadians.
Feb. 15 — John Duncan, the aboriginal affairs minister, quits cabinet after writing a tax court judge on behalf of a constituent.
Feb. 27 — An arrest warrant on corruption charges is issued for Arthur Porter, a former Harper appointee as chair of the Security Intelligence Review Committee.
Mar. 14 — Peter Penashue, the intergovernmental affairs minister, resigns from cabinet and gives up his seat over campaign overspending and donation problems in his 2011 election return.
Mar. 26 — Backbench Conservative MPs publicly air their grievances about being muzzled by their own government on the subject of abortion.
April 14 — Liberals elect Justin Trudeau as leader; Conservatives immediately launch attack ads that generate buzz but also growing public hostility.
April 24 — Conservative party urges its MPs to use parliamentary mailing privileges to attack Trudeau; amid public outcry, a number of MPs refuse.
April 22 — A Federal Court judge dismisses a suit brought by the Parliamentary Budget Office on a technicality but strongly suggests the government cannot deny information to the budget watchdog.
April 29 — Government says it will reverse course on its expanded temporary foreign worker program after abuses discovered.
April 30 — Auditor general says $3.1 billion in anti-terrorism spending remains unaccounted for.
May 9 — A Tory-dominated Senate committee clears Sen. Mike Duffy of wrongdoing while coming down hard on Brazeau and Liberal Sen. Mac Harb for similar living expense problems.
May 10 — Conservatives tell Commons that Duffy showed "leadership" in repaying expenses.
May 13 — Penashue loses Labrador byelection to Liberal candidate.
May 14 — CTV reports that Harper's chief of staff, Nigel Wright, secretly gave Sen. Mike Duffy $90,000 to pay off improper Senate expense claims.
May 16 — Duffy leaves Conservative caucus.
May 17 — Sen. Pamela Wallin leaves Conservative caucus over allegations of improper travel expense claims.
May 19 — The Prime Minister's Office announces the resignation of Wright over the Duffy cheque.
May 23 — A Federal Court judge upholds 2011 election results in robocalls civil suit but says widespread phone fraud occurred, likely linked to Conservative party's database.
May 29 — The Conservative party is fined $78,000 by the Canadian Radio-television and Telecommunications Commission for its misleading Saskatchewan robocalls on riding redistribution.
June 5 — Edmonton MP Brent Rathgeber quits Conservative caucus, citing "lack of commitment to transparency" by government.
June 13 — RCMP confirms criminal investigation underway into Wright's payment of Duffy's housing expenses.
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