April 1:

• April fool’s day.

• Easter Sunday.

April 2:

• World Autism Awareness Day.

• Easter Monday.

• Pascua Florida Day.

April 4:

• International Day for Mine Awareness and Assistance in Mine Action.

April 5:

• National Maritime Day.

April 7:

• World Health Day.

• Last Day of Passover.

• Orthodox Holy Saturday.

April 8:

• World Romani Day.

• Orthodox Easter.

April 12:

• World Aviation & Cosmonauts Day.

April 13:

• Jallianwallah Bagh Massacre Day.

• Thomas Jefferson’s Birthday.

April 14:

• B.R. Ambedkar Remembrance Day.

April 15:

• World day of Silence.

• Day of Dialogue.

• Father Damien Day.

April 17:

• World Haemophilia Day.

• Tax Day.

April 18:

• World Heritage Day.

April 21:

• World Creativity and Innovation Day.

• National Secrataries day.

• National Civil Services Day.

April 22:

• World Earth Day.

• Oklahoma Day.

April 23:

• World Book and Copyright Day.

• World English Language Day.

• Confederate Memorial Day.

April 24:

• World Lab Animals Day.

April 25:

• World Malaria Day.

• Italy Liberation Day.

• Administrative Professionals Day.

April 26:

• World Intellectual Property Day.

• Confederate Memorial Day.

• Take our Daughters and Sons to Work Day.

April 28:

• International Worker’s Memorial Day.

• World day for Safety and Health at Work.

April 29:

• World Dance Day.

April 30:

• International Jazz Day