Dear all, This is a `save-the-date' announcement for the Category Theory OctoberFest of 2019. This year Octoberfest will be hosted at Johns Hopkins University, Baltimore, Maryland, over the last weekend of October, the 26th/27th. The meeting will start on the morning of Saturday the 26th and end the following afternoon. As is tradition, we are planning an introductory talk on Friday the 25th, joint with the Johns Hopkins Category Theory seminar. Details about accommodation, venues, transport and talk submission, and a website, will be posted soon. We look forward to seeing you in Baltimore, tslil, Daniel, and David. [For admin and other information see: http://www.mta.ca/~cat-dist/ ]