April is Celebrate Diversity Month, recognizing and honoring the diversity surrounding us all; Autism Acceptance Month, raising awareness about and acceptance of the developmental disability that impacts an individual’s experience of the world around them; and National Arab American Heritage Month, celebrating the Arab American heritage and culture and paying tribute to the contributions of Arab Americans and Arabic-speaking Americans.

April 1 is Lazarus Saturday, a day celebrated by the Eastern Orthodox Church and Oriental Orthodoxy to commemorate the raising from the dead of Lazarus of Bethany. April 2 is World Autism Awareness Day, created to raise awareness around the globe. April 2 is Palm Sunday, a Christian holiday commemorating the entry of Jesus into Jerusalem; it takes place on the last Sunday of Lent, at the beginning of the Holy Week.  April 3 is Mahavir Jayanti, a holiday celebrated by the Jains commemorating the birth of Lord Mahavira; it is one of the most important religious festivals for Jains. April 4 is Lord’s Evening Meal, celebrated by Jehovah’s Witnesses in commemoration of an event believed to have occurred on the first night of Passover in approximately 33 CE, i.e., the Last Supper. April 6 is Holy Thursday (or Maundy Thursday), the Christian holiday commemorating the Last Supper at which Jesus and the Apostles were together for the last time before the crucifixion; it is celebrated on the Thursday before Easter. April 6 to April 13 is  Passover, an eight-day Jewish holiday in commemoration of the emancipation of the Israelites from slavery in ancient Egypt. April 7 is Good Friday, a day celebrated by Christians to commemorate the execution of Jesus by crucifixion; it is recognized on the Friday before Easter. April 9 is Easter, a holiday celebrated by Christians to recognize Jesus’ return from death after the crucifixion.

April 14 is The Day of Silence during which students take a daylong vow of silence to protest the actual silencing of lesbian, gay, bisexual, transgender, and queer (LGBTQ+) students and their straight allies due to bias and harassment. April 14 is Vaisakhi (or Baisakhi), the celebration of the founding of the Sikh community as the Khalsa (community of the initiated) and the birth of the Khalsa. April 16 is Orthodox Easter (or Pascha), a later Easter date than what is observed by many Western churches. April 17 is Laylat al-Qadr, the holiest night of the year for Muslims, traditionally celebrated on the twenty-seventh day of Ramadan; it is known as the Night of Power and commemorates the night that the Quran was first revealed to the prophet Muhammad. April 17 to 18 is Yom HaShoah, Israel’s day of remembrance for the approximately six million Jews who perished in the Holocaust. April 21 to May 2 is The Festival of Ridvan, a holiday celebrated by those of the Bahá’í faith commemorating the twelve days when Bahá’u’lláh, the prophet-founder, resided in a garden called Ridvan (paradise) and publicly proclaimed his mission as God’s messenger for this age. April 21 to 22 (sundown to sundown) is Eid al-Fitr, the first day of the Islamic month of Shawwal, marking the end of Ramadan; many Muslims attend communal prayers, listen to a khutuba (sermon), and give Zakat al-Fitr (charity in the form of food) during Eid al-Fitr. April 22 is Earth Day promoting world peace and sustainability of the planet; events are held globally in support of environmental protection of the Earth. April 23 is St. George’s Day, the feast day of St. George celebrated by various Christian churches. April 24 is Armenian Martyrs’ Day recognizing the genocide of approximately 1.5 million Armenians between 1915 and 1923 in Turkey. April 25 to 26 (sundown to sundown) is Yom Ha’Atzmaut, national Independence Day in Israel. April 29 is the Ninth Day of Ridvan, a festival of joy and unity in the Bahá’í faith to commemorate the reunification of Bahá’u’lláh’s family and by extension the unity of the entire human family the Bahá’í faith calls for.