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One woman watches as another examines with a magnifying glass an ornate, decorative image on a printed page

Thomas Jefferson and the 1811 Constitution Day Eclipse

Posted by: Danna Bell

As Americans anxiously await next week's total eclipse of the sun, many are making plans not only to observe it, but also to record their observations in order to calculate their longitude. Or maybe not...But in 1811, when the solar eclipse that occurred on Constitution Day was visible in central Virginia, that is exactly what Thomas Jefferson did.