March 17 is Saint Patrick's Day.

Eid al-Fitr 2026 will begin on the evening of Thursday, March 19 and end on the evening of Friday, March 20.

March 31 is Cesar Chavez Day.

March 31 is Trans Day of Visibility.

April 4 is National School Librarian Day.

Former Gov. Jerry Brown signed a bill designating April 10 as Dolores Huerta Day in 2018.

On April 14, 1947, a federal court made a landmark decision prohibiting segregation in California public schools.

Earth Day is an annual event on April 22 to demonstrate support for environmental protection.

Today commemorates the deportation of Armenian intellectuals on April 24, 1915, from Constantinople (present-day Istanbul).

Administrative Professionals Day is always celebrated on the Wednesday of the last full week of April.

El Día de los Niños is celebrated annually on April 30 as a tribute to children in Mexico.