If you search Google for Hanukkah, Christmas, or Kwanzaa, you’ll see some special holiday icons in the left navigation and decorations between the organic results and ads on the right.
In honor of Hanukkah, Google replaces its usual “Everything” icon with a dreidel. Google also includes Hanukkah-themed decorations on the right:
In honor of Christmas, Google replaces its “Everything” icon with a Christmas tree, and includes some Google colored ornaments on the right:
And in honor of Kwanzaa, Google replaces its “Everything” icon with a flag, and vertical red, black, and green candles on the right: