From https://www.google.com/
On April 27, we get to celebrate National Administrative Professionals Day! This holiday is always celebrated on the Wednesday of the last full week of April.
The International Association of Administrative Professionals
The International Association of Administrative Professionals promotes National Administrative Professionals Day. The observance first launched in 1952 when U.S. Secretary of Commerce, Charles Sawyer proclaimed June as National Secretaries Week. In that same year, June 4th was designated National Secretaries Day.