The word(s) "when" appears 916 time(s) in 828 verse(s) in Quran in Mohsin Khan translation.

(221) And (remember) when they said: "O Allah! If this (the Qur'an) is indeed the truth (revealed) from You, then rain down stones on us from the sky or bring on us a painful torment."

(222) And know that whatever of war-booty that you may gain, verily one-fifth (1/5th) of it is assigned to Allah, and to the Messenger, and to the near relatives [of the Messenger (Muhammad صلى الله عليه وسلم)], (and also) the orphans, Al-Masakin (the poor) and the wayfarer, if you have believed in Allah and in that which We sent down to Our slave (Muhammad صلى الله عليه وسلم) on the Day of criterion (between right and wrong), the Day when the two forces met (the battle of Badr); And Allah is able to do all things.

(223) (And remember) when you (the Muslim army) were on the near side of the valley, and they on the farther side, and the caravan on the ground lower than you. Even if you had made a mutual appointment to meet, you would certainly have failed in the appointment, but (you met) that Allah might accomplish a matter already ordained (in His Knowledge), so that those who were to be destroyed (for their rejecting the Faith) might be destroyed after a clear evidence, and those who were to live (i.e. believers) might live after a clear evidence. And surely, Allah is All-Hearer, All-Knower.

(224) (And remember) when Allah showed them to you as few in your (i.e. Muhammad's صلى الله عليه وسلم) dream; if He had shown them to you as many, you would surely have been discouraged, and you would surely have disputed in making a decision. But Allah saved (you). Certainly, He is the All-Knower of what is in the breasts.

(225) And (remember) when you met (the army of the disbelievers on the Day of the battle of Badr), He showed them to you as few in your eyes and He made you appear as few in their eyes, so that Allah might accomplish a matter already ordained (in His Knowledge), and to Allah return all matters (for decision).

(226) O you who believe! when you meet (an enemy) force, take a firm stand against them and remember the Name of Allah much (both with tongue and mind), so that you may be successful.

(227) And (remember) when Shaitan (Satan) made their (evil) deeds seem fair to them and said, "No one of mankind can overcome you this Day (of the battle of Badr) and verily, I am your neighbour (for each and every help)." But when the two forces came in sight of each other, he ran away and said "Verily, I have nothing to do with you. Verily! I see what you see not. Verily! I fear Allah for Allah is Severe in punishment."

(228) when the hypocrites and those in whose hearts was a disease (of disbelief) said: "These people (Muslims) are deceived by their religion." But whoever puts his trust in Allah, then surely, Allah is All-Mighty, All-Wise.

(229) And if you could see when the angels take away the souls of those who disbelieve (at death); they smite their faces and their backs, (saying): "Taste the punishment of the blazing Fire."

(230) Then when the Sacred Months (the 1st, 7th, 11th, and 12th months of the Islamic calendar) have passed, then kill the Mushrikun (See V.2:105) wherever you find them, and capture them and besiege them, and lie in wait for them in each and every ambush. But if they repent and perform As-Salat (Iqamat-as-Salat), and give Zakat, then leave their way free. Verily, Allah is Oft-Forgiving, Most Merciful.