Google celebrated Bastille Day on July 14, 2000 with this logo.

official google logos, google holiday logos, google art, logos by google fans - an unofficial collection
Google Logos Collection » archive for December, 2005
Google displayed a series of Google Doodle II logos over the July Fourth holiday.
BBQ tips:

Fourth of July celebration:

The Founding Fathers:

This Easter Eggs Logo appeared on the Easter Festival on 23rd April 2000 which was displayed with an applet created by Ken Perlin.
Google was dressed up in Green on St.Patrick’s Day (17th March) in 2005.

On February 14th 2000, Google showed its affection for Valentine’s Day with this logo and an applet created by Ken Perlin.
Groundhog’s Day Google Logo on 2nd February 2000.

This New Year logo wishing Happy New Year! was used to show the countdown in January 2000.
