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You sure the first one was from the 90s? Because that sounds like 28 Days Later.
No, I believe the movie itself was from anywhere from the 50s up to the 70s given the aesthetics of the film itself in terms of picture and sound quality.
I grew up in the 90s, and it was during this time that I saw these movies on in the background while my dad watched TV - this was no later than 1998 as I recall. He tended to watch a lot of that kind of stuff: period pieces, military pictures, thrillers with dramatic overtones, etc. I don't know why these two particular scenes still stick in my mind, unless it was just because of how intense they were depicted, and how young I was at the time. Granted, I wasn't actually watching what he was watching, I'd just glance up at the TV while I doing my own thing like playing or drawing or something.
I'm trying to find two certain live-action films that I remember my dad having on TV in the background while I was growing up in the 90s, because they have stuck in my head after all of these years, and it drives me crazy sometimes.
The first one I believe may have been anywhere from the 50s up into the 70s, because I remember it had that distinct 35mm motion picture film look to it. Basically, the scene was there was a woman who was being attacked by a group of soldiers in a barn, and as they're ripping her clothes off, a friend/sister/whoever jumps in to try and save her, only to be ganged up on by the same soldiers as well. Finally, their commanding officer casually steps into the barn to dismiss his men, but the two women are obviously very traumatized and yelling at the officer about how they attempted to rape them, only for the officer to casually tell them if it happens again, he will reprimand them himself. And no, I don't believe it was The Outlaw Josey Wales, which somebody once suggested as a possibility (I'd have to look again to be 100% sure).
The second one seemed to have been a far more recent movie (at the time), it was definitely a drama, and maybe even a thriller, I'm not sure. I remember it was a young family who were in the process of building their dream home out in the country, and it all just fell apart from there. I remember some thugs set fire to the house (while it still only the wooden framework), and at one point, attempted to lynch the wife from a rafter - while even taking pictures of her. I also recall their young daughter ran through the woods with a teddy bear or stuffed animal that got caught on a branch, and her tugging on it provided enough of a stall for one of the thugs to pop out from the other side of the shrubbery to give her a jump scare.