Senator Patrick Brazeau, who has been charged with assault and sexual assault following his arrest in Gatineau, Que., on Feb. 7, has faced several controversies since his appointment four years ago.

Brazeau, who was in born Maniwaki, Que., began working with the Congress of Aboriginal Peoples, the national organization that represents off-reserve aboriginals, in 2001, and was elected as its national chief in February 2006, according to his biography on the Senate webpage.

He was re-elected to a four-year term in November 2008, but was called to the Senate by Stephen Harper a short time later.

Brazeau is the 15th aboriginal senator since Confederation, and is also the third-youngest person ever named to the Senate.

Here is an overview of Brazeau's time in the upper chamber.

Jan. 26, 2009

Brazeau is sworn into the Senate along with 17 others, including former journalists Pamela Wallin and Mike Duffy.

March 31, 2012

Brazeau loses a charity boxing match to Liberal MP Justin Trudeau that was much-hyped in the media. Brazeau, who has military and martial arts training, was widely expected to win the bout and had to cut his hair as part of the bet between the pair. The event raised $230,000 for the Ottawa Regional Cancer Foundation.

Liberal MP Justin Trudeau, left, fights Senator Patrick Brazeau during a charity boxing match on March 31, 2012 in Ottawa. (Fred Chartrand/Canadian Press)

June 26, 2012

Brazeau lashes out at a journalist on Twitter after she reported that he had the worst attendance record among senators between June 2011 and April 2012, only attending 25 per cent of the 72 sittings. Brazeau rhymes the journalist's name, Jennifer Ditchburn of the Canadian Press, with an offensive word. After several tweets back and forth, he apologizes.

Nov. 20, 2012

A media report says Brazeau is collecting a housing allowance available to senators who live outside of Ottawa by claiming his home is in Maniwaki, Que., about 135 kilometres north of Ottawa. Residents there say they have rarely, if ever, seen him.

Senators who live more than 100 kilometres outside of Ottawa can have a second residence in the National Capital Region and receive up to $21,000 a year to cover that expense.

Two other senators, including Conservative Mike Duffy and Liberal Mac Harb, also end up facing similar allegations.

Dec. 6, 2012

A Senate committee says it will conduct an audit to assess "whether all senators' declarations of primary and secondary residence are supported by sufficient documentation," including driver licences, health cards and tax documents.

Brazeau says he welcomes the audit.

"I look forward to providing the facts that prove my primary residence is in Maniwaki, Que., contrary to what has been reported," he said in an email. "I built my reputation on the need for greater accountability and I will continue practising what I preach."

Feb. 7, 2013

Brazeau is kicked out of the Conservative caucus following his arrest in Gatineau, Que., around 9:10 a.m. ET. The government Senate leader, Marjory LeBreton, sends a letter to his office and caucus members informing them of his removal. Brazeau will sit as an independent.

He spends the night in jail.

Feb. 8, 2013

Brazeau is charged with assault and sexual assault in a Gatineau, Que., courtroom. He is released after paying $1,000 in bail and is told to stay away from the alleged victim. He is also told to remain at his residence in Maniwaki, Que.

The Senate also announces it is asking outside auditors to assess the residency claims and expenses of three senators, including Brazeau, Mike Duffy and Mac Harb.