March 6

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  1665: The first joint Secretary of the Royal Society, Henry Oldenburg, publishes the first issue of Philosophical Transactions of the Royal Society.

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  1847: Mathematician Cesare Arzelà born. He will contribute to the theory of functions, notably his characterization of sequences of continuous functions.

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  1921: Physicist, mathematician, statistician, and meteorologist Akiva Yaglom born. He will contribute to statistical turbulence theory and random processes theory.

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  1939: Mathematician and academic Ferdinand von Lindemann dies. He proved (1882) that π (pi) is a transcendental number.

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  2015: The Dawn space probe, having left Vesta, enters Ceres' orbit. Dawn will study Vesta and Ceres, two of the three known protoplanets of the asteroid belt.