The Battle of Normandy or Normandy Campaign includes the following:

The "Battle of Normandy" is the official term for the British and Canadian military campaign lasting from June 6 - September 1, 1944.

There are many holidays, commemorations and observances in the Church of Scientology, including:

This is a major holiday for Scientology's many Celebrity Centres, highlighting their achievements and celebrating their existence. The date is specifically the anniversary of the opening of the Celebrity Centre International in Los Angeles in 1970, which, in the Church's words, is "dedicated to the rehabilitation of the culture through art".

Confederate Memorial Day, also known as Confederate Decoration Day (Tennessee) and Confederate Heroes Day (Texas), is an official holiday and/or observance day in parts of the U.S. South as a day to honor those who died fighting for the Confederate States of America during the American Civil War. Nine states officially observe Confederate Memorial Day: Alabama, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, and Texas.^[1]

Labour Day or Labor Day is an annual holiday to celebrate the economic and social achievements of workers. Labour Day has its origins in the labour union movement, specifically the eight-hour day movement, which advocated eight hours for work, eight hours for recreation, and eight hours for rest.

Celebrating the Australian labour movement, the Labour Day public holiday is fixed by the various state and territory governments, and so varies considerably. It is the first Monday in October in the Australian Capital Territory, New South Wales and South Australia. In both Victoria and Tasmania, it is the second Monday in March (though the latter calls it Eight Hours Day). In Western Australia, Labour Day is the first Monday in March. In both Queensland and the Northern Territory, it is the first Monday in May.

Constitution Day is a holiday to honor the constitution of a country. Constitution Day is often celebrated on the anniversary of the signing, promulgation or adoption of the constitution, or in some cases, to commemorate the change to constitutional monarchy:

Islamic culture

Arabic · Azeri
Indo-Islamic · Iwan
Moorish · Moroccan · Mughal
Ottoman · Persian · Somali
Sudano-Sahelian · Tatar