O'Reilly Open Source Convention

The O'Reilly Open Source Convention (OSCON) is an annual convention for the discussion of free and open source software. It is organized by the publisher O'Reilly Media and is held each summer in the United States.

Notable events

OSCON grew out of The Perl Conference, but the amount of Perl content has continued to decline year over year.
The Sun Grid Engine open source project was announced at the 2001 conference.
OSCON has been the host to Larry Wall's State of the Onion keynotes.

The first OSCON was held in 1999.^[1] The first Perl Conference took place in 1997.

1999: Monterey, CA
2000: Monterey, CA
2001: San Diego, CA (July 22 - July 26, 2001)
2002: San Diego, CA (July 22 - July 26, 2002)
2003: Portland, OR (July 7 - July 11, 2003)
2004: Portland, OR (July 26 - July 30, 2004)
2005: Portland, OR (August 1 - August 5, 2005)
2006: Portland, OR (July 24 - July 28, 2006)
2007: Portland, OR (July 23 - July 27, 2007)
2008: Portland, OR (July 21 - July 25, 2008)
2009: San Jose, CA (July 20 - July 24, 2009)
2010: Portland, OR (July 19 - July 23, 2010)