July Month-long observance: French-American Heritage Month Important D&I calendar dates: 4thIndependence Day 9thMartyrdom of the Bab (Baha’i) 11thWorld Populace Day 14thBastille Day 18thInternational Nelson Mandela Day 19thEid al-Adha (Muslim) 24thPioneer Day (Mormon) 26thNational Disability Independence Day 30thInternational Day of Friendship