That Sucks Day
That Sucks Day is held on April 14. Throughout the history of the holiday and the organization that sponsored it, That Sucks LLC, they seek to exemplify all that is terrible and wrong in the world. This event in the second decade of the month april is annual.
Scrabble Day on April 13 (April 13th is the birthday of Alfred Butts, the inventor of the Scrabble game);
International Moment of Laughter Day on April 14 (is focuses on laughter as a way to de-stress);
Rubber Eraser Day on April 15 (Joseph Priestley discovered the eraser in 1770, using pieces of rubber imported from Brazil. Then in 1858, Hyman Lipman of Philadelphia, Pa., patented the pencil with an eraser at the end);
Stoker's Day on April 15 (is celebrated in spring, at the end of the heating season. All shifts workers gether in the boiler room to extinguish the boilers and begin to celebrate. The date of this celebration is not fixed. The local authorities decide when to start and when to finish the heating season but usually it hapends not later than April 30 if the average air temperature is above +8 for 3 days in a raw)