Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
Since there's is no clear indication of the data-dump date, a visit to the Stack Exchange Data Dump on the Web Archive is dated May 2, 2014:
How frequently is this archive updated?
The data dump is updated every 3 to 4 months. We do update the date on the metadata when it's finally published and ready for download.