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April is Autism Acceptance Month
| Date | Event |
|---|---|
| Arab–American Heritage Month | |
| Autism Awareness Month | |
| Celebrate Diversity Month | |
| Community Service Month | |
| Deaf History Month: March 13 – April 15 | |
| Earth Month | |
| Genocide Awareness Month | |
| National Poetry Month | |
| Ramadan: March 22 – April 21 | |
| 2 | World Autism Awareness Day |
| 16 – 22 | National Volunteer Week |
| 21 | National Day of Silence |
| 22 | Earth Day |