April
43 special days in April.
04-01
April Fools' Day
Worldwide
04-01
Fun at Work Day
Worldwide
04-02
World Autism Awareness Day
Worldwide
04-02
International Children's Book Day
Worldwide
04-02
International Fact-Checking Day
Worldwide
04-03
World Party Day
Worldwide
04-05
International Boxing Day
Worldwide
04-06
Chakri Day
National
04-06
Sudan Revolution Day
National
04-07
World Health Day
Worldwide
04-11
World Parkinson's Day
Worldwide
04-12
Yuri's Night — World Space Party
Worldwide
04-12
World Space Day
Worldwide
04-12
Cosmonautics Day
National
04-13
Baisakhi
Regional
04-13
Songkran
National
04-15
World Art Day
Worldwide
04-17
World Hemophilia Day
Worldwide
04-17
International Haiku Poetry Day
Worldwide
04-17
Syria Independence Day
National
04-18
World Heritage Day
Worldwide
04-18
The Fuji Shibazakura Festival
National
04-19
World Cycling Day
Worldwide
04-21
World Creativity and Innovation Day
Worldwide
04-21
Tiradentes
National
04-22
Earth Day
Worldwide
04-23
World Book Day
Worldwide
04-23
National Sovereignty and Children's Day (Turkey)
National
04-23
St George's Day
National
04-24
World Day for Animals in Laboratories
Worldwide
04-25
World Malaria Day
Worldwide
04-25
World Penguin Day
Worldwide
04-25
ANZAC Day
National
04-25
Liberation Day
National
04-26
World Intellectual Property Day
Worldwide
04-27
King's Day (Netherlands)
National
04-27
South Africa Freedom Day
National
04-29
International Dance Day
Worldwide
04-29
Japan Golden Week
National
04-29
Showa Day
National
04-30
International Jazz Day
Worldwide
04-30
Walpurgis Night
Regional
04-30