Yeah I heard what I heard on some radio show. Too lazy or stubborn to look it up. :-)
OKAY, LAZYBONES.. LOL..
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1869
In 1866, Congress passed the Judicial Circuits Act, which shrank the number of justices back down to seven and prevented President Andrew Johnson from appointing anyone new to the court. Three years later, in 1869, Congress raised the number of justices to nine, where it has stood ever since.Oct 8, 2013
7 Things You Might Not Know About the U.S. Supreme Court ...
https://www.history.com/news/7-things-you-might-not-know-about-the-u-s-supreme-court