November 15, 1997
Source: Jain Digest
"The Jain Center of Northern California (JCNC) celebrated the Bhumi Pujan ceremony on a rainy morning of November 15, 1997, with great devotion, splendor, and gaiety. The event marked an auspicious beginning of the construction of the first Jain Bhawan in the San Francisco Bay Area. ... The JCNC intend to build a unique landmark for Jains across the United States, Canada, and the rest of the world."