Definitely not a true story. 'The Magnificent Seven' is a work of fiction that showcases elements of adventure and heroism typical of the Western genre but has no roots in reality.
Yes. It takes elements from historical events. However, like many movies based on true stories, it has been dramatized. The core idea of a group of heroes coming together might be rooted in some real happenings in history, but the specific details and characters in the movie are likely a blend of fact and fiction to make it more engaging for the audience.
The Magnificent Seven is purely fictional. It doesn't draw from real-life events or people. It's a classic example of a Hollywood Western crafted to captivate audiences with an engaging tale.