White Shirt Day
White Shirt Day is held on February 11. It is marks the end of a union strike by employees of General Motors in 1937. This event in the second decade of the month February is annual. 
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The origins of the influence of the white shirt can be best traced in the Victorian era where it was an important symbol of wealth and class distinction and a powerful emblem of sobriety and uniformity for men. According to a study conducted at the Nottingham Trent University, women find men wearing plain white tees up to 12% more attractive. This is because a white t-shirt creates an illusion of a v-shaped body as it broadens the shoulders and slims the waist. White T-Shirt Day is held every February 11, and it gladdens us to celebrate this day that brought great changes to the automobile industry and unionism as we know it today.
White Shirt Day honors the men and women who participated in a sitdown strike at General Motors in 1937. These autoworkers helped the United Auto Workers (UAW) union to become the sole bargaining agent for General Motors autoworkers. The strike ended on this day in 1937.
Similar holidays and events, festivals and interesting facts
Inspire Your Employees to Excellence Day on February 1
Labor Day in Western Australia on March 3
Women’s Working Day on March 8
Labor Day in Victoria and Tasmania, Australia on March 10 (is celebrated on the second Monday in March);
Fashion Revolution Day and Labour Safety Day in Bangladesh on April 24
Labour Day in Botswana on May 1
Offentlig høytidsdag in Norway on May 1 (Public holiday)