Cinco de Mayo A Mexican holiday commemorating the victory over France at the Battle of Puebla in 1862, celebrating Mexican culture and heritage. Heritage Months and Dates February Black History Month in the United States and Canada March National Developmental Disabilities Awareness Month National Multiple Sclerosis Education and Awareness Month Women’s History Month April Autism Awareness Month Celebrate Diversity Month National Arab American Heritage Month National Deaf History Month National Volunteer Month May Asian Pacific American Heritage Month in the United States Jewish American Heritage Month Mental Health Awareness Month June LGBTQ+ Pride Month Immigrant Heritage Month October National Disability Employment Awareness Month Global Diversity Awareness Month National Hispanic Heritage Month November National Native American Heritage Month