
Mason Jar Day
November 30
|Recurring Event (See all)
An event every year that begins at 00:00 on day 30 of November, repeating indefinitely

“Be it known that I, John L. Mason….have invented new and
useful Improvements in the Necks of Bottles, Jars &c.,
Especially such as intended to be air and water tight,
such as are used for sweetmeats.”
— John L. Mason’s patent file