Just to remind you:
* India hackathon (18–20 November, Mumbai, India) — Alolita Sharma, Siebrand Mazeland, Sumana Harihareswara and the local India team are preparing for this event, which will focus on language, mobile and offline support for MediaWiki content. You can register to request a free invitation; approximately 100-125 attendees are expected. https://www.mediawiki.org/wiki/India_Hackathon_2011
* Brighton hackathon (19–20 November, Brighton, England) — Free registration is open for the general MediaWiki hackathon planned by Lewis Cawte. You can register online. WMF engineers Antoine Musso, Roan Kattouw, and Sam Reed plan to attend. https://www.mediawiki.org/wiki/Brighton_Hackathon_2011