It is absolutely true - Cixi did this.

Because Cixi was bullied by foreigners (foreigners interfered in internal affairs and prohibited her from deposing Guangxu), she declared war on the eight countries at the same time, but she also Knowing that they were outnumbered, they not only provided watermelons and food to the foreigners for their own benefit, but also secretly provided ammunition that could not be used normally to the Boxers. Its purpose was to enable foreigners to ensure her rule over China, not to enable Guangxu. So in the end, only a few hours before her death, Guangxu died first after drinking the porridge she asked the eunuch to deliver. Cixi's famous sayings: "I would rather give to a friend than to be a domestic slave", "Measure China's material resources and make friends with foreign countries (foreign countries)", "Whoever makes me uncomfortable for a moment, I will make him uncomfortable for a lifetime", "I can stand up You can also destroy you (to Guangxu)."