Program Evaluation and Design is trying to get community engaged in finding out the history of some popular Wikimedia programs. For this matter, we posted a question on Meta and would like to invite users via Twitter to answer. 

Here is the proposed SM:

t: Do you know how Wikimedia hackathons started? Help @WikiEval learn more abt the origin of programs. Comment here: https://meta.wikimedia.org/wiki/Grants_talk:Evaluation#The_history_of_Wikimedia_programs:_Hackathons 

f/g+: Wikimedia Program Evaluation is looking into the history of Wikimedia programs. If you know how the first Hackathon was organized, who was coordinating the activity or any other information, comment on the Talk Page on the Evaluation portal on Meta!

https://meta.wikimedia.org/wiki/Grants_talk:Evaluation#The_history_of_Wikimedia_programs:_Hackathons