History of MathOverflow

Milestones

September 28, 2009: MathOverflow goes online

October 10, 2009: MathOverflow is announced at the Secret Blogging Seminar

December 2009 Greg Kuperberg became the first user to reach 10k reputation

June 2010: featured in the AMS Notices.

October 2010: 10000 users (Wayback Machine)

June 2012: 100000th post (including the deleted ones) (Wayback Machine)

June 24, 2013: MathOverflow joined SE network (Wayback Machine)

September 17, 2014: Joel David Hamkins becomes the first user to reach 100k reputation.

February 11, 2019: 100000 questions

Moderators

September 2009 - October 2009: Anton Geraschenko, David Zureick-Brown, Daniel Erman and Scott Morrison

October 2009 - June 2010: Anton Geraschenko, Ben Webster, David Zureick-Brown, Daniel Erman and Scott Morrison

June 2010 - October 2013: Anton Geraschenko, Ben Webster, David Zureick-Brown, François G. Dorais, S. Carnahan and Scott Morrison

October 2013 - April 2021: Ben Webster, David Zureick-Brown, François G. Dorais, S. Carnahan, Scott Morrison, Mariano Suárez-Alvarez and Todd Trimble

April 2021 - January 2022: Ben Webster, David Zureick-Brown, François G. Dorais, S. Carnahan, Todd Trimble, Stefan Kohl, Asaf Karagila and Tim Campion.

January 2022 - Present: Ben Webster, David Zureick-Brown, S. Carnahan, Todd Trimble, Stefan Kohl, Asaf Karagila and Tim Campion.