Assertion: turner's sign | /r/HasProperty | solar event
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Source sentences:
text: Eventually, perhaps spurred on by a new sign from God—a solar event on August 13, 1831, where across the east coast the sun appeared silver and then green—the conspirators settled on a plan that they hoped would lead slaves and free blacks to rally to their banner: they would undertake a sudden strike and kill whites, including women and children, indiscriminately.