White T shirt Day

This holiday celebrates the men and women who participated in a 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." As part of the symbolism of this strike, everyone wears a white shirt or blouse.

Note: This holiday started out as 'White Shirt Day' but some how over the years the title turned into White T-Shirt Day for those who didn't know the history of the holiday therefore created their own version of this day, giving birth to the title "White T Shirt Day" .  This holiday mostly celebrates the fun of wearing the ever so popular white t-shirt instead of what it was originally intended to celebrate.
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Origin of this Holiday
According to the UAW's website, the traditions of the original White Shirt Day is as follows: 1) Everyone must wear a white shirt or blouse  2)Your white shirt must not get dirtier than your boss's shirt  3) Safety and work rules must be followed.