As of today, Monday, October 30, 2023, it is not possible to determine what Google is celebrating today as there is no information available on the search results about a Google Doodle or any other celebration. However, it is worth noting that Google often celebrates holidays, historic events, and notable people with its Doodles, which are illustrations that appear on the Google homepage. These Doodles can be interactive and sometimes lead to a search about a specific topic. Additionally, Google celebrated its 25th birthday on September 27, 2023, with a special Doodle honoring the evolution of the Google logo.