The following is a timeline of events since Shalit was captured:2006
June 25 - Gaza-based militants -- including Hamas' armed wing -- launch raid into Israel from the Gaza Strip, killing two soldiers and capturing Shalit.
June 28 - Israeli troops invade the Gaza Strip.
Sept 15 - Letter from Shalit reaches his family via Egyptian mediators brokering a prisoner swap deal.
Oct 1 - Worst internal Palestinian fighting in a decade raises fears of a civil war in Gaza.
Nov 26 - Ceasefire in Gaza announced, ends five months of Israeli air strikes and incursions that fail to free Shalit.2007
June 14, - Hamas takes over Gaza from Fatah forces loyal to President Mahmoud Abbas.
June 25 - Israeli TV airs audio tape from Shalit's captors asking for medical treatment and release of Palestinians.
Sept 8 - Israeli special forces disguised as Hamas gunmen abduct Hamas commander to be used as "bargaining chip."
Dec 26 - Hamas says Shalit won't be freed unless Israel frees 1,400 Palestinian prisoners, many long-term.2008
April 24 - Hamas leader offers Israel six-month truce in Gaza but says fate of Shalit separate issue.
May 12 - Israel says ceasefire deal must include Shalit. Talks falter over Israel's refusal to reopen Gaza's border.
June 9 - Israeli television says Shalit's family receives hand-written letter from their son.
June 17 - Israel and Hamas agree to Egyptian-brokered ceasefire in the Gaza Strip.
Sept 25 - Hamas rejects list of prisoners Israel is ready to free in exchange for Shalit, saying it wants more.
Dec 19 - Fragile six-month ceasefire between Israel and Hamas expires as they fail to agree on terms to extend truce.
Dec 27 - Israel launches 22-day military offensive in the Gaza Strip. About 1,400 Palestinians and 13 Israelis are killed.2009
Jan 18 - Israel and Hamas cease fire in Gaza.
Sept 30 - Israel and Hamas confirm deal to exchange proof that Shalit is alive for release of 20 female Palestinians.
Oct 2 - Video is handed over and authenticated in which Shalit looked "pale but in good health."
Nov 25 - Israel rejects a demand for the release of several Hamas commanders as part of any exchange for Shalit.2010
June 27 - Shalit's parents begin march from home to PM Benjamin Netanyahu's residence to press for prisoner swap.2011
April 9 - The Israeli military says that Tayser Abu Snima, a top Hamas militant, killed in a raid, was "directly and physically involved" in Shalit's capture.
Oct 11 - Israeli and Hamas officials say a deal has been reached to swap Shalit for hundreds of Palestinian prisoners.
Oct 16 - Israel buses 430 Palestinian prisoners under heavy guard to a holding facility in the Negev desert in preparation for them to be exchanged for Shalit on Oct. 18.
Israel and Hamas have agreed on a deal to swap the Israeli soldier Gilad Shalit for the release of over 1,000 Palestinian prisoners.