The history of chemical weapons use in Syria puts puts John McCain latest anti Trump pronouncement is simple hatred unsupported by facts.

The table below lists the reported attacks and the main points. See the main articles for details.^{[N 1]}

Date	Location	Governorate	Impact points			Civilian victims		Soldier/militias victims			CW-agent	Main article	Notes
			Time of day	Coordinates	Controlled by	Deaths	Non-fatal	Deaths	Non-fatal	Unit
17 October 2012	Salqin	Idlib											Reported by the Government of France.[27](p4)[N 2]
23 December 2012	Al-Bayadah	Homs			Free Syrian Army	5	App. 100				Most likely Agent 15		Reported by the Government of France, UK and Qatar,[27](p3) and also Haaretz[28] and Foreign Policy.[29][N 2]
13 March 2013	Darayya	Rif Dimashq											Reported by the Government of UK and Qatar.[27](p4)[N 2]
14 March 2013	Otaybah	Rif Dimashq											Reported by Le Monde.[30]
19 March 2013	Khan al-Asal	Aleppo	Early morning	36.167222°N 37.039167°E	Syrian Army	19	107	1	17	Syrian Army	Sarin	Khan al-Assal chemical attack	Reported by the Governments of Syria, Russia, France, UK and US. Confirmed by the U.N.[27]
19 March 2013	Otaybah	Rif Dimashq											Reported by the Governments of France and UK.[27](p6)[N 2]
24 March 2013	Adra	Rif Dimashq											Reported by the Government of UK.[27](p4)[N 2]
11 April 2013	Jobar	Damascus										Jobar chemical attacks	Reported by Le Monde.[30]
12 April 2013	Jobar	Damascus										Jobar chemical attacks	Reported by Le Monde.[30][N 2]
13 April 2013	Sheikh Maqsood	Aleppo			Kurdish forces	3	more than a dozen						Reported by the Government of US.[27](p4)[N 2]
13 April 2013	Jobar	Damascus										Jobar chemical attacks	Reported by the Government of France.[27](p5)[N 2]
14 April 2013	Jobar	Damascus										Jobar chemical attacks	Reported by the Government of France.[27](p5)[N 2]
25 April 2013	Darayya	Rif Dimashq											Reported by the Government of UK.[27](p4)[N 2]
29 April 2013	Saraqib	Idlib		A:35.8672041°N 36.7995858°E B:35.8613742°N 36.7970538°E C:35.8542831°N 36.7974508°E	Free Syrian Army	1	10		2	Free Syrian Army	Sarin/Tear gas	Saraqib chemical attack	Reported by the Governments of UK and France.[27](p4) Allegedly some of the hand grenade–type munitions contained tear gas, whereas other grenades were filled with sarin. Ref. U.N.[27] A French report of 2017 said hexamine was present in the Sarin used in Saraqib, linking it to Syrian regime later attacks in Ghouta and Khan Shakoun. The sarin present in the munitions used on 4April wasproduced using the same manufacturing process as that used during the sarin attack perpetrated by the Syrian regime in Saraqib. Moreover, the presence of hexamine indicates that this manufacturing process is that developed by the Scientific Studies and Research Centre for the Syrian regime.[31]
14 May 2013	Qasr Abu Samrah	Hama											Reported by the Governments of US.[27](p5)[N 2]
23 May 2013	Adra	Rif Dimashq											Reported by the Governments of US.[27](p5)[N 2]
5 August 2013	Adra	Rif Dimashq											Ref. Human Rights Watch.[32]
21 August 2013	Zamalka/Ein Tarma	Rif Dimashq	Between 02:00 and 03:00	Ein Tarma: A:33.5205744°N 36.3563669°E B:33.5207063°N 36.3573325°E Zamalka: C:33.5213347°N 36.3481593°E D:33.5217908°N 36.3522577°E E:33.5224617°N 36.3594246°E F:33.5234724°N 36.3544142°E G:33.5238391°N 36.3625681°E H:33.5246083°N 36.3612056°E I:33.5250734°N 36.3584054°E J:33.5257263°N 36.3593173°E K:33.5257352°N 36.3625896°E L:33.5274345°N 36.360873°E		734					Sarin	Ghouta chemical attack	Reported by multiple U.N. Member States.[27][32][33][34]
21 August 2013	Muadamiyat al-Sham	Rif Dimashq	App. 05:00	Four 140mm rockets impacted next to the Rawda Mosque (33.4602966°N 36.1972287°E). Three 140mm rockets impacted app. 500 meters to the east of the Rawda Mosque (33.4601064°N 36.2025046°E).		103					Sarin	Ghouta chemical attack	Reported by multiple U.N. Member States.[27](p5)[32][33][34]
22 August 2013	Al-Bahariyah	Rif Dimashq	App. 17:00	33.528653°N 36.525669°E	Syrian Army				16	Syrian Army			Reported by the Government of Syria.[27](p5) The U.N. mission investigated the attack, but did not find reliable information to support the allegation that a CW-agent were used.[27]
24 August 2013	Jobar	Damascus	App. 11:00	33.5342371°N 36.3450721°E	Syrian Army				24	Syrian Army	Sarin	Jobar sarin attack	Ref. U.N.[27]
25 August 2013	Ashrafiyat Sahnaya	Rif Dimashq	App. 20:00	33.4463166°N 36.2513208°E	Syrian Army				5	Syrian Army	Sarin	Ashrafiyat Sahnaya chemical attack	Ref. U.N.[27]
10 April 2014	Kafr Zita	Hama	Midnight, night to 11 April		Syrian opposition						Chlorine		Ref. OPCW.[35]
11 April 2014	Kafr Zita	Hama	18:00 – 19:00 hrs	A:35.3734621°N 36.590867°E B:35.373742°N 36.599772°E C:35.3771188°N 36.5998149°E	Syrian opposition	2	107 affected, 5 seriously (12 patients)				Chlorine	2014 Kafr Zita chemical attack	Ref.OPCW,[35] UNHRC,[36] HRW,[37]SOHR, VDC and SANA.[38][39][40][41][42][43]
11 April 2014	Harasta	Rif Dimashq											Ref.[44][45]
12 April 2014	Kafr Zita	Hama	21:00 – 22:00		Syrian opposition		5 patients				Chlorine		Ref. OPCW[35] and UNHRC.[36]
12 April 2014	Al-Tamanah	Idlib	22:45	Residential house, 100 m from Western school	Syrian opposition	–	25				Chlorine		Ref. OPCW[35] and UNHRC.[36]
13 April 2014	Al-Tamanah	Idlib	App. 22:30		Syrian opposition	–	112 affected				Chlorine		Ref. Human Rights Watch[37]
14 April 2014	Halfaya	Hama	23:00				4 patients				Chlorine		Ref. OPCW.[35]
16 April 2014	Harasta	Rif Dimashq											Ref. The Times of Israel.[46]
16 April 2014	Kafr Zita	Hama	22:00	Al-Zowar region	Syrian opposition		4 patients				Chlorine		Ref. OPCW[35] and UNHRC.[36]
18 April 2014	Al-Tamanah	Idlib	App. 22:00	Residential house, 150 m from medical unit	Syrian opposition	4	70				Chlorine		Ref. OPCW,[35] UNHRC[36] and HRW.[37]
18 April 2014	Kafr Zita	Hama	22:30		Syrian opposition		App. 100 affected (35 patients)				Chlorine		Ref. OPCW,[35] UNHRC[36] and HRW.[37][43]
21 April 2014	Talmenes	Idlib	Around 10:30 to 10:45.	Two “barrel bombs” struck two houses 100 m from each other, in the neighbourhood around the big mosque (35.6376885°N 36.7392683°E).	Syrian opposition	3	App. 133 (4 severely)				Chlorine	Talmenes chemical attack	Ref. OPCW,[35] UNHRC[36] and Human Rights Watch.[37][43] According OPCW investigation the attack was conducted by Syrian Armed Forces helicopter.[8]
22 April 2014	Darayya	Rif Dimashq											Ref. The Daily Star.[47]
29 April 2014	Al-Tamanah	Idlib	Night to 30 April	Residential house, 20 m from northern school	Syrian opposition	–	35				Chlorine		Ref. OPCW[35] and UNHRC.[36]
19 May 2014	Kafr Zita	Hama	20:00		Syrian opposition	1	130 affected (2 patients)				Chlorine		Ref. Al Arabiya.[48][49]
21 May 2014	Al-Tamanah	Idlib									Chlorine		Ref. International Business Times.[50]
21 May 2014	Kafr Zita	Hama	20:00		Syrian opposition		4 patients				Chlorine		Ref. OPCW[35]
22 May 2014	Al-Tamanah	Idlib	10:00–11:00	Residential house	Syrian opposition	4	12				Chlorine		Ref. OPCW.[35]
22 May 2014	Kafr Zita	Hama	20:00		Syrian opposition		dozens (38 patients)				Chlorine		Ref. OPCW[35] and CNN.[39]
25 May 2014	Al-Tamanah	Idlib	Night to 26 May	Residential house, 50 m from main road	Syrian opposition	–	–				Chlorine		Ref. OPCW.[35]
29 May 2014	Al-Lataminah	Hama	Night				17 patients				Chlorine		Ref. OPCW.[35]
12 July 2014	Avdiko	Aleppo			Kurdish forces			3		Kurdish forces	Most likely Mustard gas		Ref. The Huffington Post[51] and the MERIA Journal.[52]
27 July 2014	Kafr Zita	Hama	19:00		Syrian opposition		–				Chlorine		Ref. OPCW.[35]
21 August 2014	Jobar	Damascus				6							Ref. ARA News.[53]
28 August 2014	Kafr Zita	Hama	21:30 – 22:00		Syrian opposition		–				Chlorine		Ref. OPCW[35] and Channel News Asia.[54]
30 August 2014	Kafr Zita	Hama			Syrian opposition						Chlorine		Ref. OPCW.[35]
15 February 2015	Darayya	Rif Dimashq	Around noon	33.4594664°N 36.2392831°E 50 to 100 m northwest of the Shrine of Sukayna	Syrian Army				4	Syrian Army	Possibly sarin		Five to eight government soldiers were allegedly exposed to sarin or a sarin-like substance. Ref.[43][55]
21 February 2015	Hayan	Aleppo			Syrian opposition						Noxious gas		Ref. civil defence team.[56]
9 March 2015	Mzeireb	Daraa			Syrian opposition						Chlorine		Ref. anti-regime activists.[57]
16 March 2015	Qmenas	Idlib	Around 20:30 – 20:45		Ahrar al-Sham and Jund al-Aqsa	–	70 affected, 1 seriously				Most likely Chlorine		20 of the victims were from the western neighborhood of Sarmin. The wind allegedly carried the gas from Qmenas to Sarmin. Ref. MESOP.[43][58]
16 March 2015	Sarmin	Idlib	Around 22:30 – 22:45	Two barrel bombs were allegedly dropped by a helicopter into the southeastern neighborhood of Sarmin(Kournesh).	Ahrar al-Sham and Jund al-Aqsa	6	30 affected, ranged between moderate and severe.				Most likely Chlorine	Sarmin chemical attack	Ref. LCC and SOHR.[43][58][59][60][61]According OPCW investigation the attack was conducted by Syrian Armed Forces helicopter.[8]
23 March 2015	Binnish	Idlib	About 19:30	Two barrel bombs filled with chlorine gas were dropped on Binnish.	Syrian opposition	–	At least 30 affected				Chlorine		Ref. The Times.[43][62]
24 March 2015	Qmenas	Idlib									Chlorine		Ref. activists.[63]
24 March 2015	Binnish	Idlib	Early evening			–	30 wounded				Chlorine		Ref. activists.[63][64]
28 June 2015	Tell Brak	Al-Hasakah		17 projectiles impacted south of the village.	Kurdish forces				12	Kurdish forces	Mustard gas		Ref. CAR.[65][66][67][68][69][70]
28 June 2015	Al-Hasakah	Al-Hasakah		7 projectiles impacted in the al-Salehiyah neighborhood.	Kurdish forces					Kurdish forces	Mustard gas		Ref. CAR.[65][66][67][68][69][70]
21 August 2015	Mare'	Aleppo	About 19:30		Islamic Front	1 (a baby)	Around 30				Mustard gas		At least 50 mortar and artillery shells were fired at residential areas. At least half of them contained poisonous gas. Ref.[43][71][72][73][74][75][76] According OPCW investigation the attack was conducted by Islamic State of Iraq and the Levant.[8]
7 April 2016	Sheikh Maqsood	Aleppo			People's Protection Units	23	100+				Unknown		A district of Aleppo in Syria controlled by Kurdish fighters have been the target of a chemical attack by Islamic terrorists. Videos show a yellow gas rises above the Sheikh Maksoud neighborhood.[77]
1 August 2016	Saraqib	Idlib	app. 11:00		Syrian opposition	?	28 injured	None	None	-	cholorine		Reported by Independent International Commission of Inquiry on the Syrian Arab Republic[78]
15 June 2016	Eastern Ghouta	Damascus			Syrian Army			None	Several	Syrian Army	Unknown		Reported by Syrian Army.[79][unreliable source?]
25 August 2016	Dandaniya	Aleppo	Around 17:00		Syrian Democratic Forces		Dozens				Unknown		Reported by local sources.[80][81]

8 October 2016Sheikh MaqsoodAleppoEarly morningPeople's Protection Units34+UnknownUnknownPeople's Protection UnitsNoxious gasLocal sources reported an attack by elephant rockets loaded with chemical substances.^[82] 25 November 2016Sheikh MaqsoodAleppo16:35People's Protection Units3 patientsUnknownUnknownPeople's Protection UnitsUnknownThe Kurdish Red Crescent reported taking 3 patients with chemical wounds after the area was hit by shells suspected to be loaded with poisonous chemicals.^[83] 8 January 2017Wadi BaradaDamascus?Syrian opposition?at least 6 injured??-ChlorineReported by Independent International Commission of Inquiry on the Syrian Arab Republic]]^[78] 25 March 2017Al-LataminahChlorine ^[84] 30 March 2017Al-LataminahHama70+Syrian warplanes dropping Sarin ^[85]Union of Medical Care and Relief Organizations report^[86][87] 3 April 2017HbitIdlib"evening hours"2 childrenApp. 20 affected.ChlorineAccording to local activists.^[88][89] 4 April 2017Khan ShaykhunIdlib06:3058–100+300–400+Sarin^[90]2017 Khan Shaykhun chemical attack 22 January 2018East Ghouta^[91]Damascus Governorate21Chlorine^{[92][93][94][95]} 5 February 2018SaraqebIdlib9ChlorineAccording to Syria Civil Defencemedics.^[96] 7 April 2018DoumaRif Dimashq"at least 42"^{[N 3][97]}2018 Douma chemical attack