The Miracle of the Sun (Portuguese: O Milagre do Sol) is an alleged miraculous event witnessed by 30,000 to 100,000 people on 13 October 1917 in the Cova da Iria fields near Fátima, Portugal. Those in attendance had assembled to observe what the Portuguese secular newspapers had been ridiculing for months as the absurd claim of three shepherd children that a miracle was going to occur at high-noon in the Cova da Iria on 13 October 1917.

According to many witness statements, after a downfall of rain, the dark clouds broke and the sun appeared as an opaque, spinning disc in the sky. It was said to be significantly duller than normal, and to cast multicolored lights across the landscape, the shadows on the landscape, the people, and the surrounding clouds. The sun was then reported to have careened towards the earth in a zigzag pattern, frightening some of those present who thought it meant the end of the world. Anecdotally, some witnesses reported that their previously wet clothes became “suddenly and completely dry.”
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(It was noted that the “object” was not at the correct elevation to be the sun and some have speculated the object witnessed was a UFO)