Is there should be a brotherhood-day?

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As per my knowledge there are lot our festival whic are directly and indirectly related to our brotherhoodism but as the world is changing, our festivals are only festivals there is no brotherhoodism. So it is looking need of the time to have a such kind of a day in real meaning of social cause by that we can recall our true value of life humanism,socialism, no harm others etc. I need your suggestions my friends on which day and why we should celebrate a day of brotherhood-day!