Wu Sangui

Served as a general during the late Ming and early Qing dynasties. Originally supported the Ming dynasty, but later switched allegiance to the Qing dynasty, playing a crucial role in their conquest of the southern Ming territories. Commanded troops in various battles and was instrumental in the capture of Beijing in 1644. Established a powerful position in Yunnan province and participated in significant military campaigns against rebel forces. His actions significantly influenced the power dynamics of China during his lifetime.

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André Tacquet

Served as a Jesuit priest and made significant contributions to mathematics, particularly in the fields of geometry and algebra. Wrote several works that focused on mathematical methodologies, including the influential 'Geometria' which provided an overview of geometric principles. Engaged in discussions regarding the use of mathematics in the sciences, promoting its integration into educational curricula during the 17th century. His work facilitated advancements in the field and influenced later mathematicians.

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Janusz Radziwiłł

A prominent figure in the Polish-Lithuanian Commonwealth, served as the voivode of Vilnius. Held significant political influence during the mid-17th century. Participated actively in the political landscape, often engaging in diplomacy and governance. Contributed to the administrative affairs of the Grand Duchy of Lithuania, shaping its policies and relationships within the Commonwealth. His actions reflected the complexities of the era’s political dynamics.

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