Original: On July 18 2002, a Blender funding campaign was started by Roosendaal in order to collect donations and on September 7 2002 it was announced that enough funds had been collected and that the Blender source code would be released.
Simplified: On July 18, 2002, Roosendaal put money into a Blender funding campaign -- in order to collect donations. On September 7, 2002, the collected funds was given notice to the public.