APRIL

1st              

April Fool's Day or All Fools' Day in many countries

2nd              

Argentina - Malvinas Day

Iran - Sizdah be dar

4th               

Lesotho - Heroes' Day 

Hong Kong - Children's Day 

5th               

Mauritius - Ougadie. 

China - Qingming Festival

South Korea - Arbor Day and Hansik

6th               

Thailand - Chakri Day, commemorating the reign of the Chakri Dynasty. 

North America - Tartan Day, celebrates Scottish heritage, informally known as "Scots Day".

7th               

Mozambique - Women's Day

9th               

Philippines - Araw ng Kagitingan (Day of Valor, celebrated as Bataan Day in Bataan)

11th             

Costa Rica - Juan Santamaría Day, anniversary of his death in the Battle of Rivas

13th             

Thailand, Cambodia - First day of Songkran, Thai/Cambodian New Year. 

Sikhism - Vaisakhi

Sri Lanka - First day of Sinhala/Hindu new year

14th             

South and Southeast Asia (Namely by Bengalis, Burmese, Cambodians, Laotians, Malayalees, Punjabis, Sinhalese, Tamils and Thais.) -Astrological New Year

Angola - Youth Day

Russia - Mologa Day

Georgia - Day of the Georgian language

India - Ambedkar Jayanti

15th             

Hawai'i - Father Damien Day — celebrated annually. 

India - Baisakhi, Pôhela Boishakh, Rongali Bihu 

North Korea - Arirang Festival held to commemorate Kim Il-sung's birth. 

17th             

Syria - Independence Day

18th             

Iran - Army Day 

Zimbabwe – Independence Day

19th             

Venezuela - Independence Day 

Brazil - Dia do Índio 

20th            

Bahá'í Faith - Ridván begins at sunset 

22nd           

Brazil - Discovery Day 

23rd            

Catalonia - Lover's Day. Men and women receive a book and rose as gifts from their romantic interest. The book is in honor of Shakespeare's and Cervantes's death on April 23, 1616. 

Turkey - National Sovereignty and Children's Day

Germany - National Beer Day

24th            

Armania - Genocide Remembrance Day. 

Australia - Kapyong Day a day of remembrance for Korean War veterans, named after the Battle of Kapyong in 1951 

Gambia - Republic Day

25th            

Australia, New Zealand - ANZAC Day 

Faroe Islands - National Flag Day. 

Italy - Festa della Liberazione

Portugal - Carnation Revolution in commemoration to the end of the fascist dictatorship (National holiday). 

Jamaica - Rastafari, Celebration of Haile Selassie's visit to Jamaica. 

Swaziland - National Flag Day. 

26th            

Tanzania - Union Day. 

27th            

Catalonia - Montserrat's Day. 

Finland - Veterans' Day. 

Sierra Leone - Republic Day. 

Slovenia -: Day of Uprising Against Occupation. 

South Africa -: Freedom day. 

28th            

Bahá'í Faith - Feast of Jamál (Beauty)  

Barbados - National Heroes Day 

29th            

Japan - The Emperor's Birthday,  traditionally the start of the Golden Week 

30th            

Central and western Europe - Walpurgis Night

Sweden - Birthday of King Carl XVI Gustav, an official flag day. 

The Netherlands - Queen's Day, the largest one-day holiday in the Netherlands. 

Celtic - Bealtaine Eve (From either Irish Bealtaine or Scottish Gaelic)

Vietnam - Liberation Day. 

Mexico - Children's Day. 

Czech Republic and Slovakia - Carodejnice - witches' night