The Black Moon is a rare occurrence and will occur on May 19
https://www.livescience.com/space/the-moon/what-is-a-black-moon-why-mays-new-moon-has-an-unusual-name?utm_content=space.com&utm_medium=social&utm_campaign=socialflow&utm_source=twitter.com.
Kim@kimrunner , along with the black moon, 243 years ago today, on May 19, 1780, was Black Friday! 😯
https://anonup.com/thread/12346340
Patriot Sam on AnonUp.com
19 May 1780 "Referred to as New England’s Dark Day or Black Friday, the skies over New England & New Jersey were as black as the boots of the British soldiers, prompt
https://anonup.com/thread/12346340