1984
The Believing Youth organization was formed in 1984.
2004
June 18: Believing Youth launched a lengthy battle against the Yemeni government.
September: Two bombs exploded in Sa'dah, killing nine people and wounding 50 others.
Sept. 10: Hussein Badr al-Deen al-Houthi was killed.
2005
March 9-19: Negotiations between al-Houthi's father and the government failed, and the father returned from Sana'a to Sa'dah. Al-Houthi blamed the breakdown on the president's refusal to discuss the release of prisoners.
March 19: After the 2004 conflict, Yemen's president invited al-Houthi to Sana'a, claiming that if he did so, all prisoners would be released and the military would cease military and legal action against his followers.
March 20: Fighting broke out between Believing Youth and the Yemeni government at Souk at-Talh, near Sa'dah. The fighting escalated and spread to Wadi Nashoor, Razamat and Al Shafa'a -- rural areas surrounding Sa'dah. The military brought in tanks and artillery. The fighting reached its peak between March 29 and April 3, with a death toll of more than 100. There were also clashes in the regional capital Sa'dah.
April 14: The government announced an end to hostilities.
May: Rebels continued sniper attacks and moved into the tribal area of Khowlan and throughout the capital city of Sana'a. The Believing Youth conducted a series of drive-by grenade attacks and assassination attempts through May 13.
May: The Political Security Organization -- an agency that reports directly to the president -- penetrated the Believing Youth membership in Sana'a and brought a temporary halt to the conflict.
Sept. 25: President Ali Abdullah Saleh offered amnesty to al-Houthi's militia members. Compensation was proposed for those affected by the conflict as well as $150 million for development projects in Sa'dah.
November: Fighting resumed, despite the previous amnesty offer for Believing Youth.
2006
March 3: The Yemeni government announced the release of 627 pardoned followers of al-Houthi from prison.
March 22: Local leaders of non-governmental organizations complained that only about 150 detainees had actually been released from prison.
June: A Qatari mediation party began discussions with the government and al-Houthi.
2007
January: Al-Houthi supporters threatened to kill members of a Jewish community in Sa'dah if they did not leave the country within 10 days.
Feb. 14: Three days of clashes between the Yemeni military and Believing Youth fighters left nearly 100 people dead. The army reportedly succeeded in wresting away seven mountain outposts in Sa'dah from the Believing Youth. According to government sources, 75 rebels and 18 soldiers died in the fighting.
April 23: The Yemen Times reported that the government had deployed more than 60,000 soldiers to Sa'dah to battle Believing Youth forces, which were said to number around 6,000. A tribal leader said that fighting was taking place in all 15 Sa'dah districts.
June: Parties to the conflict reached agreement on a 10-point peace plan that would be implemented over a 20-day period. The plan called for rebels to withdraw from positions and hand in their weapons. The government agreed to launch reconstruction work.
July: A tenuous halt in fighting almost fell apart when the military refused to withdraw from 45 houses it had occupied in Bani Muath. The militants were reluctant to abandon fighting positions and turn over their arms.
Aug. 12: The government accused al-Houthi of foot-dragging and not committing himself to the Qatari-brokered peace agreement.
Aug. 14: The Qatari mediation party left Sana'a for Doha for the second time. The mediators reportedly failed to convince al-Houthi to implement the June 10-point agreement.
Aug. 23: A military field commander reported rebels were still conducting exercises in areas under their control and were moving into new military positions.
Sept. 9: Tribes controlled by sheiks Ali Aiydh and Mohammed Hazam in Bait al-Russ attacked al-Houthi followers. Nine people were killed and 29 were injured. The fighting took place in Hajjah governate.
October: Reports alleged that the military had killed four suspected al-Houthi supporters when they refused to remove posters with a group slogan. Cease-fire violations were reported by both sides.
Oct. 31: Al-Houthi militants accused Yemen's army of breaking the June cease-fire with an attack on the Walad Nawar village.
2008
Feb. 1: The government and Believing Youth rebels, in talks mediated by Qatar, reached another peace accord similar to the June 2007 agreement. Under the revised agreement, the al-Houthi militants would hand over heavy- and medium-sized weapons and evacuate their strongholds. The agreement also called for Al-Malik al-Houthi and some of his followers to go into voluntary exile in Doha, Qatar, where they would refrain from political or media activities opposing the Yemeni government. In return, the government agreed to grant a general amnesty to all al-Houthi followers. The government also promised freedom of expression and said the group could form a political party. However, clashes between the government and the rebels continued to occur even as steps to implement the agreement by a Feb. 6 deadline were taking place.
April 29: Government security officials reported that seven soldiers were killed and 17 were injured during an al-Houthi rebel ambush in the Majz District.
May 2: The government accused Believing Youth rebels of setting off a motorcycle bomb outside a mosque in Sa'dah City. Sixteen people were killed and 45 were wounded. The al-Houthi faction denied responsibility for the attack.
May 4: Members of Qatar's peace delegation returned to the Sa'dah region for talks with a Yemeni presidential commission in an attempt to end the fighting and to supervise the February peace agreement.
June 13: Yemen's deputy premier for defense claimed that members of Believing Youth had received military training in Iran. He specifically accused the rebels of conducting sabotage in Yemen as a result of the training.
July: Yemeni President Ali Abdullah Saleh abruptly declared a cease-fire. The declaration came amid reports that Saleh had met earlier in July with several tribal leaders for the purpose of forming an anti-al-Houthi "popular" army.
September 18: Citing the destabilization of the Sa'dah region, Yemen's government appealed to the international community for help. The government estimated that it would initially need about $190 million for humanitarian services and reconstruction activities. Yemens said it could supply about $50 million of that total.
2009
January 25: Al-Houthi militants released 30 prisoners they had captured a few days earlier in clashes with government security forces. The al-Houthis indicated the release was a gesture of goodwill, designed to encourage the government to release militant prisoners.
March 7: The government said that al-Houthi militants had killed two soldiers and injured a third in the al-Malaheed region of Sa'dah. According to press reports, soldiers returned fire; one militant was killed and another arrested.
March: Al-Houthi militants charged that army units opened fire on some civilians waiting to participate in a ceremony, organized by its supporters, marking the birthday of the prophet Muhammad. Also in March, militants and others reported that the government had increased its forces in the Sa'dah region.