Jan 13 - Linda Tripp wears a hidden microphone for the FBI and records conversations with Ms Lewinsky.

Jan 16 - Prosecutors ask Ms Lewinsky to co-operate in their investigation. She refuses.

Jan 18 -The Lewinsky scandal spreads across the Internet after maverick reporter Matt Drudge reports that a Newsweek article detailing an alleged affair had been spiked.
Scandalous scoops break online

Jan 21 -The first reports of the existence of secretly recorded conversations between Monica Lewinsky and Linda Tripp about the affair emerge in the Washington Post.
Tape transcripts pose as many questions as answers

Jan 26 - In a White House news conference, the president denies having an affair with Ms Lewinsky.
Clinton angry at new sex claims

President Clinton again vigorously denies a liaison with Ms Lewinsky and subsequent cover-up.
'These allegations are false,' says Clinton

Jan 27 - First Lady Hillary Clinton gives an interview on national television defending her husband. She calls the allegations a "vast right-wing conspiracy".
Hillary Clinton defends her husband

Jan 29 - New polls reveal that President Clinton's approval rating are at an all-time high.
Clinton bounces back

March 1998
March 15 - Former White House worker Kathleen Willey goes on television to accuse Bill Clinton of sexually fondling her in the Oval Office.

April 1998
April 2 - Judge Susan Webber Wright dismisses Paula Jones's sexual harassment lawsuit against the president.
Clinton harassment suit dismissed on lack of evidence

May 1998
May 4 -Two of President Clinton's top aides are required to testify after a federal judge dismisses claims of executive privilege.
Clinton aides to testify

June 1998
June 2 - Monica Lewinsky replaces her lawyer William Ginsburg with two prominent Washington lawyers, Jacob Stein and Plato Cacheris. The move follows a reported breakdown in relations between Mr Ginsburg and Kenneth Starr.
New lawyers for Lewinsky

June 30 - Linda Tripp testifies before a grand jury in Washington. After six hours of questioning, Ms Tripp leaves the US District Court House without making any comment.
Lewinsky tape-maker testifies

July 1998
July 17 - The US Supreme Court refuses to intervene in Secret Service testimony, so guards testify. Prosecutors issue a historic subpoena ordering Clinton to testify in the investigation.
Clinton's bodyguards forced to talk

July 28 - Kenneth Starr reaches a deal with Ms Lewinsky giving her immunity in exchange for full and truthful testimony. She is reported to have told prosecutors that she did in fact have sex with the president.
Lewinsky gets immunity deal

August 1998
Aug 6 - Monica Lewinsky testifies for six hours. Her spokeswoman says she answered questions "truthfully, completely and honestly".
Lewinsky ends day of testimony

Aug 17 - President Clinton told a grand jury and then the nation that he had a relationship with Monica Lewinsky that was "not appropriate".
Clinton confesses

September 1998
Sept 4 - Reacting to remarks from Democrat Senator Joe Lieberman, President Clinton apologises for his affair with Monica Lewinsky for the first time.
Clinton: 'I'm sorry'

Sept 8 - President Clinton's lawyer requests a preview copy of Kenneth Starr's report so that he can prepare a response. He is turned down.
Problems pile up for Clinton