why did we go to 12 months instead of 13

why did we go to 12 months instead of 13. There are some references to why did we go to 12 months instead of 13 in this article. If you are looking for why did we go to 12 months instead of 13 you've came to the right place. We have posts about why did we go to 12 months instead of 13. You can check it out below.