This site uses different types of cookies, including analytics and functional cookies (its own and from other sites). To change your cookie settings or find out more, click here. If you continue browsing our website, you accept these cookies.
We've recently made an accessibility improvement to the community and therefore posts without any content are no longer allowed. Please use the spoiler feature or add a short message in the message body in order to submit your weekly challenge.
I also tried years between 1600 and 9999 and couldn't find any that would not contain a Friday the 13th,..maybe only in cases where years were skipped due to calendar corrections? I've read about cases like that during the Renaissance?