Queen Elizabeth II might be the most private public figure in the world.

She's been on the throne for 65 years and has become one of the most recognizable faces on the planet — but she rarely speaks about herself and never grants interviews with the media. Lots of people know her only for her stern poker face and her dazzling collection of hats.

There's more to the sovereign than her public appearance, of course. Here are 26 fascinating things you might not have known about Elizabeth II, the longest-reigning monarch in the world.