March is Women's History Month. Established in 1987, the month recognizes all women for their valuable contributions to history and society. 
More monthly observations: 
National Developmental Disabilities Awareness Month was established to increase awareness and understanding of issues affecting people with intellectual and developmental disabilities. 
National Multiple Sclerosis Education and Awareness Month was established to raise public awareness of the autoimmune disease that affects the brain and spinal cord. 
For a more comprehensive calendar, view UK Healthcare's diversity calendar.