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Hope you know 7 to 8 years ago is not 8 days ago, and that all of these suggestions though not bad but I don't see them leading him to anywhere close to what he's looking for going by the years gone by especially for a browser history.
That's not what I'm saying. This is what I mean:
My Activity. There, you can see your whole search history, not just the most recent one. Whatever device he uses, whether a smartphone or a PC, it will be recorded as long as he is linked in to his Google account while browsing.
I didn't realize it had been posted until after I answered to his post, so thank you for informing me. However, it may assist him in searching for anything relevant to this and locating the critical information he requires to solve his problem. Here's the link:
My Activity