| [https://blog.mozilla.org/community/2013/05/13/milestone-phoenix-0-1-released-first-version-of-firefox/ Blog post]
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| July 15, 2003
| [https://www.mozilla.org/en-US/press/mozilla-foundation.html The Mozilla Foundation is born with start-up support from America Online and Mitch Kapor]
| [[File:2003 mofo logo.png|thumb|Mozilla Foundation logo]]
| [https://blog.mozilla.org/community/2013/05/20/milestone-the-mozilla-foundation-is-born/ Blog post]
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| June 9, 2004
| [http://www.outsidethebeltway.com/mozilla_gains_on_ie/ Firefox downloads surge after US government warns of security exploits in Internet Explorer]
| [[File:2004 market share.png|thumb|Netscape, Firefox and IE market share graph]]
| [https://blog.mozilla.org/community/2013/05/28/milestone-firefox-downloads-surge-after-ie-exploit/ Blog post]
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| September 14, 2004
| Bug bounty milestone
| [[File:2004 security bug.jpg|thumb|Mozilla Security team t-shirt]]
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| December 15th, 2004
| Community sponsored advertisement for Firefox appears in the New York Times
| [[File:2004 nyt ad.png|thumb|New York Times ad]]
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| August 3, 2005
| The Mozilla Corporation is created as a wholly owned subsidiary of the Mozilla Foundation
| [[File:2005 moco logo.png|thumb|Mozilla Corporation workmark]]
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| August 12, 2006
| Students make a crop circle of the Firefox logo in a field in Oregon
| [[File:2006 crop circle.jpg|thumb|Aerial view of Firefox crop circle]]
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| [https://blog.mozilla.org/community/2013/05/20/milestone-the-mozilla-foundation-is-born/ Blog post]
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