The seven major states during the Warring States period, specifically 秦 qín, 楚 chǔ, 燕 yān, 齐 qí, 韩 hán, 赵 zhào, and 魏 wèi

The seven states that revolted during the Han Dynasty under Emperor Jing, led by the 吴 wú and 楚 chǔ regions

The Group of Seven industrialized nations (often as a shorthand for 七国集团 qī​guó​jí​tuán)