Partly. The movie takes some creative liberties while drawing inspiration from certain aspects of history. So, it's not a strict retelling of a single true story.
The Favourite isn't true. It's a made-up tale that might draw on some common themes or ideas, but it's not based on actual happenings in the real world.
The movie 'The Favourite' is not based on a true story. It's a creative work that takes inspiration from the setting and style of the time but doesn't draw from real-life events. The plot and characters are fictional creations of the filmmakers.