France Holiday On June 6 2021?

The following are national holidays in France. Note: Only la Fête du Travail (1st of May) is a public holiday by statute. The rest of the holidays are granted by convention collective (agreement between employers' and employees' unions) or by agreement of the employer. The following applies to Sunday, 2021-06-06:

77 Anniversary of the Normandy landings:
^[ob] The Normandy landings, codenamed Operation Neptune, were the landing operations of the Allied invasion of Normandy (territory occupied by nazi Germany), in Operation Overlord, during World War II. The landings commenced on Tuesday, 6 June 1944.