TIMELINE: Events in Lebanon since Hariri's killing

(Reuters) - Iranian-backed Lebanese group Hezbollah has led a political campaign for almost 18 months against Prime Minister Fouad Siniora's anti-Syrian cabinet.

Here is a chronology of the campaign:

November 11, 2006 - Five pro-Syrian Shi'ite Muslim ministers from Hezbollah and its ally, the Amal movement, resign after the collapse of talks on giving their camp more say in government.

November 21 - Industry Minister Pierre Gemayel is killed by gunmen.

December 1 - Hezbollah, Amal and supporters of Christian leader Michel Aoun camp outside Prime Minister Fouad Siniora's office in Beirut in open-ended campaign to topple the government.

January 25, 2007 - Aid conference in Paris pledges more than $7.6 billion to help Lebanon recover from its 2006 war with Israel.

June 13 - Anti-Syrian parliamentarian Walid Eido and five other people killed by a car bomb near a Beirut beach club.

September 2 - Lebanese troops seize complete control of Nahr al-Bared camp after months of fighting with Fatah al-Islam militants which kills over 420 people, including 168 soldiers.

September 19 - Car bomb in Beirut kills anti-Syrian Christian lawmaker Antoine Ghanem and six other people.