World Health Organization (WHO) has established a number of observances, aimed to raise awareness about different health problems and their prevention. International Ear Care Day, that annually falls on March 3, is one of such campaigns.
Employee Appreciation Day is a secular holiday in the USA and Canada, that is annually celebrated on the first Friday in March. This holiday was established in 1995 by Bob Nelson, a board member of the Recognition Professionals International, previously National Association for Employee Recognition.
World Wildlife Day was established by the UN in 2013. This day is annually observed on March 3, and it's a great opportunity to celebrate multiple forms of wild flora and fauna.