* Feb. 25, 1990: Schiavo collapses from a possible potassium imbalance, temporarily stopping her heart and cutting off oxygen to her brain.

* November 1992: Schiavo’s husband, Michael, wins more than $1 million in a malpractice suit.

* July 29, 1993: Bob and Mary Schindler try to have Michael removed as their daughter’s guardian. They accuse him of not properly caring for Schiavo. The case is later dismissed.

* February 11, 2000: Circuit Judge George Greer approves Mr. Schiavo’s request to have feeding tube removed, agreeing that she had told her husband she wouldn’t want to be kept alive artificially.

* April 2001: State, Supreme courts refuse to intervene, but another judge orders it reinserted two days later.

* February 13, 2002: Mediation attempts fail, and Mr. Schiavo again seeks permission to remove feeding tube.

* November 22, 2002: After hearing medical testimony, Judge Greer finds no evidence that Schiavo has hope of recovery and orders tube removed.

* October 15, 2003: Tube removed for second time.

* October 21, 2003: Governor Bush, a Republican of Florida, signs hastily passed bill allowing him to intervene, then orders tube reinserted.

* December 2, 2003: Independent guardian finds “no reasonable medical hope” that Schiavo will improve.

* September 23, 2004: Florida Supreme Court strikes down the law that allowed Governor Bush to intervene and have the tube reinserted as unconstitutional.

* February 25, 2005: Judge Greer gives permission for tube removal at 1 p.m. March 18.

* March 16-17: Florida House passes bill intended to keep Schiavo alive but the Senate defeats a different version. In Washington, lawmakers can’t reconcile differences in bills passed by the House and Senate.

* March 18: Feeding tube removed. Judge Greer rules against congressional Republicans who had tried to put off tube removal by seeking Schiavo’s appearance at hearings.

* March 19: Congressional leaders from both parties agree on a bill that would allow a federal court to review the case and prolong Schiavo’s life.

* March 20-21: Congress passes the bill after members scramble to return to Washington for an early morning vote. President Bush signs the bill outside his White House bedroom. Parents file an emergency request with a federal judge to have the tube reconnected.

* March 22: U.S. District Judge James Whittemore refuses to order the reinsertion of the tube. Parents appeal to the 11th U.S. Circuit Court of Appeals.

* March 23: The 11th Circuit declines to order the reinsertion of the tube. The Schindlers turn to the U.S. Supreme Court.

* March 24: The U.S. Supreme Court denies the appeal.

* March 25: The Schindlers again ask Judge Greer to intervene, saying Schiavo tried to say, “I want to live.”

* March 26: Judge Greer rejects another effort by the Schindlers to get the feeding tube reinserted; Florida Supreme Court declines to intervene.

* March 29: 11th Circuit agrees to consider the Schindlers’ emergency bid for a new hearing on whether to reconnect Schiavo’s feeding tube.

* March 30: The 11th Circuit declines to intervene. Hours later, the Schindlers appeal to the U.S. Supreme Court, which also refuses to intervene.

* March 31: Theresa Schiavo dies at 41.