Key dates in House Speaker John Boehner's career

1990: Elected to Congress to represent the Eighth Congressional District of Ohio.

Jan. 5, 2011: After election by his Republican colleagues, sworn in as Speaker of the House.

Jan. 30, 2011: Defended his tendency to tear up. "I wear my emotions on my sleeve," he said.

July 27, 2011: "This is the bill," he told House GOP of a plan to raise the borrowing limit. "I can't do this job unless you're behind me,"

Dec. 5, 2012: Chose not to be photographed with President Obama at a holiday party.

Dec. 21, 2012: Ranked as least popular congressional leader in a poll by Rasmussen Reports.

Jan. 1, 2013: Voted for a bipartisan bill aimed at preventing tax increases. Many Republicans opposed the bill.

Oct. 1, 2013: Congress failed to agree on spending deal. Parts of U.S. government shut down.

Jan. 24, 2014: Boehner told Jay Leno why he wouldn't run for president: "I like to play golf. I like to cut my own grass. I do drink red wine. I smoke cigarettes."

June 25, 2014: Filed lawsuit against President Obama. "The president has not faithfully executed the laws," he said.

Nov. 4, 2014: GOP gained 13 House seats.

Jan. 6, 2015: Re-elected as speaker; 25 Republicans voted for others.

Sept. 15, 2015: Boehner said he's not worried about his future.

Sept. 24, 2015: "What a day," the Catholic Boehner said after hosting Pope Francis.

Sept. 25, 2015: Boehner said he will resign.