Title: Benghazi
Content:  they began attacking the city of Benghazi in a major offensive, but were forced back the next day when NATO forces began implementing United Nations Security Council Resolution 1973. On 1 June, explosives were detonated in a car near the Tibesti Hotel, with a rebel spokesman calling the bombing a "cowardly act". It was suspected that an officer was killed, and many people started to shout out anti-Gaddafi chants while the Tibesti was cordoned off. On 19 May 2012, residents of Benghazi voted in historic local elections; this was the first time such elections have been held in the city since the 1960s, and turnout was high.
Title: Battle of Benghazi (2014–2017)
Content:  On 14 October 2014, Khalifa Haftar declared he would "liberate the city" from "terrorists". Troops loyal to him and allied to the army, launched an offensive on 15 October with some residents allying with his forces to dismantle checkpoints set up by Islamists. Per hospital medics, at least nine soldiers and four civilians were founded dead on a street during the clashes, with two soldiers wounded. Haftar's forces and the army stated on 17 October they were in complete control of the camp of February 17th Martyrs Brigade. Meanwhile, Red Crescent called for a ceasefire. At least 18 people were killed in fighting on 17 October according to 
Title: Battle of Benghazi (2014)
Content:  Hostilities first broke out early in the morning of Friday 16 May 2014 when Gen. Haftar's forces assaulted the bases of certain Benghazi Islamist militia groups, including the one blamed for the 2012 assassination of US ambassador Christopher Stevens. Helicopters, jets and ground forces took part in the assault, killing at least 70, and injuring at least 250. Haftar has vowed to not stop until the extremists groups are purged. Shortly before the assault Haftar reportedly asked a close friend, "Am I committing suicide?" The operation, codenamed "Operation Dignity" by Haftar, began when forces loyal to General Haftar attacked units of the February 17th Martyrs Brigade, the Libya Shield No. 1 Brigade (also known as Deraa No. 1 Brigade), and Ansar al-Sharia. Fighting was largely confined to the south western Benghazi districts of Hawari and Sidi Ferej. In particular the fighting focused on the area between the south-western gate checkpoint and the cement factory; an area controlled by Ansar al-Sharia. As part of the fighting helicopters were seen over Hawari. Fighting was also reported in the port area between marines and the Libya Shield No. 1 (Deraa No. 1) Brigade.
Title: Battle of Benina Airport
Content:  Between June 2014 and July 2014, armed militants going by the name of Shura Council of Benghazi Revolutionaries began launching daily indiscriminate attacks on military bases and headquarters inside the city of Benghazi belonging to Libyan armed forces led by Khalifa Haftar, that later became known as the Libyan National Army, this forced the LNA to abandon all its headquarters withdraw from the city. The LNA units managed to regroup their forces on the suburb district of Benina (15km east of Benghazi) and took Benina Airport as its main headquarters for launching further operations and combating the militia groups inside Benghazi. By the end of July 2014, forces of the Shura Council of Benghazi Revolutionaries fully took over the city of Benghazi from the Libyan National Army and Mohamed al-Zahawi, leader of Ansar al-Sharia and a commander of the Shura Council of Benghazi Revolutionaries declared Benghazi an "Islamic Emirate" and vowed to advance all his forces towards Benina and take Benina Airport from the Libyan National Army.
Title: 2013 Benghazi conflict
Content:  in the Al-Hadayeq (the gardens) district of Benghazi early this morning, but miraculously there are no casualties being reported. The sound of the explosion at about 2.30 am was so loud that it was reportedly heard across most of the districts of Benghazi. It is thought that there were no casualties within the police station because the station had been closed down after an earlier attack in May. Samir Al-Lamamy, a witness and resident of the Al-Hadayeq district told Libya Herald that "the explosion led to the complete destruction of the police station leveling it to the ground".Al-Lamamy also speculated that "there might have been more than one bomb planted in the police station because the explosion was so strong that it totally destroyed it".
Title: Benghazi
Content:  Following the outbreak of the second Libyan Civil War in 2014, Benghazi became the subject of heavy fighting between the Libyan National Army-aligned House of Representatives government, and the Islamist Shura Council of Benghazi Revolutionaries and ISIL-aligned Wilayat Barqa, which were entrenched in various pockets in the city. During the closing months of the battle, between late-2016 and mid-2017, much of the urban center in and around the remaining Shura Council pocket in the central coastal quarters of Suq Al-Hout and al-Sabri suffered heavy bombardment and war damage. Wilayat Barqa militants reportedly fled Benghazi in early January, while the LNA's General Khalifa Haftar declared the city cleared of the Shura Council on 5 July 2017. Despite Haftar's declaration of the liberation of the city, dozens of gunmen remained fortified and besieged in Sidi Akribesh, according to sources close to military. LNA captured the last militant-held district in December 2017.
Title: Benghazi
Content:  West, calling for the end of the Gaddafi Regime. Benghazi was taken by Gaddafi opponents on 21 February, who founded the National Transitional Council. On 19 March 2011, the city was the site of the turning point of the Libyan Civil War, when the Libyan Army attempted to score a decisive victory against the NTC by attacking Benghazi, but was forced back by local resistance and intervention from the French Air Force authorized by UNSC Resolution 1973 to protect civilians, allowing the rebellion to continue. Benghazi remains a centre of Libyan commerce, industry, transport and culture. It continues to hold institutions and organizations normally associated with a capital city, including several national government buildings as well as the National Library of Libya.
Title: Battle of Benghazi (2014–2017)
Content:  Heavy clashes broke out in Benghazi on 16 May 2014 with the Libyan army attacking the militias in the city. The attack was led by Khalifa Haftar, a commander of the 2011 uprising who had called on the army to mount a coup against the government. He declared it was launched to clear the city of Islamist militias and "restore Libya's dignity". Ansar al-Sharia stated it had taken complete control over Benghazi on 30 July 2014, though Haftar contradicted this. The announcement came after they seized the headquarters of the special forces of national Libyan Army. The army had been forced to withdraw from the city by Benghazi Revolutionaries Shura Council, an alliance of former rebels and Islamist militants. With this, the city's airport became one of the last areas still held by the army. They later managed to repel the militants from capturing the airport in Benina.
Title: Battle of Benghazi (2014–2017)
Content:  The Battle of Benghazi (2014–2017) was a major battle of the Second Libyan Civil War that raged from October 2014 to December 2017, between the Shura Council of Benghazi Revolutionaries, Islamic State of Iraq and the Levant in Libya, and the Libyan National Army", and paramilitaries supporting the Libyan National Army in the city. The battle was a direct consequence of the failed Benina Airport Offensive by the Benghazi Revolutionaries and their Allies, which allowed LNA Forces to regroup and attack deep into Benghazi. By May 2016, the LNA controlled at least 90% of the City, including Ansar Al-Sharia's main neighborhood of Al-Laithi, Benghazi University, and the Cement Factory. A number of Benghazi revolutionaries regrouped later on and announced the formation of the Benghazi Defense Brigades in June 2016, to support the Shura Council. Despite LNA General Khalifa Haftar's declaration of the "liberation" of the city, dozens of gunmen remained fortified and besieged in Sidi Akribesh, according to sources close to military, with the final pocket persisting until December 2017.
Title: 2013 Benghazi conflict
Content:  On 2 July, A car bomb exploded at a checkpoint that was being manned by special military forces, injuring four soldiers and at least three civilians. On 26 July, Muslim Brotherhood critic Abdelsalam al-Mosmary was fatally shot after leaving a mosque following Friday prayers during Ramadan. In the aftermath protesters attacked Muslim Brotherhood property in both Benghazi and the capital Tripoli. Two days later, buildings used by the judiciary were bombed and was then followed by clashes between an unnamed militia and the military special forces. On 29 July, an unidentified militia also attacked the Tripoli headquarters of the al-Watan party, 

Question: what happened at benghazi?
Answer: 2012 U.S. diplomatic missions attacks.