has this city been attacked by terrorists at any point?
Yes - Between July and October 1995, a series of bombings carried out by the Armed Islamic Group of Algeria caused 8 deaths and more than 200 injuries; On 7 January 2015, two French Muslim extremists attacked the Paris headquarters of "Charlie Hebdo" and killed thirteen people
Paris
Between July and October 1995, a series of bombings carried out by the Armed Islamic Group of Algeria caused 8 deaths and more than 200 injuries.

On 7 January 2015, two French Muslim extremists attacked the Paris headquarters of "Charlie Hebdo" and killed thirteen people, in an attack claimed by Al-Qaeda in the Arabian Peninsula, and on 9 January, a third terrorist, who claimed he was part of ISIL, killed four hostages during an attack at a Jewish grocery store at Porte de Vincennes. On 11 January an estimated 1.5 million people marched in Paris in a show of solidarity against terrorism and in support of freedom of speech. On 13 November of the same year, a series of coordinated bomb and gunfire terrorist attacks in Paris and Saint-Denis, claimed by ISIL, killed 130 people and injured more than 350.

On 3 February 2017, a two-backpack-carrying, machete-wielding attacker shouting "Allahu Akbar" attacked soldiers guarding the Louvre museum after they stopped him because of his bags; the
having all units in atomic standards is more useful. explain UNANSWERABLE is there a body or organization that controls it? Yes - General Conference on Weights and Measures (CGPM) when was this established? 20 May 1875 which are the states that are members of this conference? Argentina,  Australia, Austria to name a few.. who hosts or conducts this conference? General Conference on Weights and Measures (CGPM), CGPM meetings are chaired by the Président de l'Académie des Sciences de Paris. what is the objective of this academy mentioned here? To encourage and protect the spirit of French scientific research. where is this academy located? Institut de France, Paris, France who is the monarch that ruled over the french city mentioned here? Louis VII of France, Philip II of France
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Paris [SEP] Terrorist attacks
Between July and October 1995, a series of bombings carried out by the Armed Islamic Group of Algeria caused 8 deaths and more than 200 injuries. On 7 January 2015, two French Muslim extremists attacked the Paris headquarters of "Charlie Hebdo" and killed thirteen people, in an attack claimed by Al-Qaeda in the Arabian Peninsula, and on 9 January, a third terrorist, who claimed he was part of ISIL, killed four hostages during an attack at a Jewish grocery store at Porte de Vincennes. On 11 January an estimated 1.5 million people marched in Paris in a show of solidarity against terrorism and in support of freedom of speech.