Template:Are You Sure/April 14
• ... that cartographer and geographer Abraham Ortelius created the first modern atlas, the Theatrum Orbis Terrarum, and that Ortelius was among to imagine that the continents were joined together before drifting to their present positions?
• ... that mathematician, astronomer, and physicist Christiaan Huygens (14 April 1629 – 8 July 1695) founded the wave theory of light, discovered the true shape of the rings of Saturn, and made contributed to the science of dynamics?
• ... that mathematician and theorist Tatyana Afanasyeva (19 November 1876 – Leiden, 14 April 1964) contributed to statistical mechanics and statistical thermodynamics, and to mathematical education in the Netherlands?
• ... that Christiaan Huygens wrote, in a private letter to Pope Alexander VII: "proposals to flood the Sistine chapel "are equally useless to Science and Art alike."?