First:

- Santa Cruzan Day (Philippines)

- labor Day

- May Day

Second:

- International Day for the Abolition of Slavery (UN)

Third:

- May Day (U.K., Ireland)

Fourth:

- Yom Ha-Sho'ah (Martyrs' and Heroes' rememberance day (Jewish))

Fifth:

- Rememberance Days (Netherlands)

-Cinco De Mayo (Mexico)

- Kodomono-hi/boys' day (Japan)

- Urini Nal/children's Day (Korea)

Eighth:

- World Red Cross Day

- Parents' Day (Korea)

- Liberation Day (USA)

Ninth:

- Independnece Day (Tanzania)

Eleventh:

- National Day (Loas)

Twelfth:

- Constitution Day (Cambodia)

Fourteenth:

- Constituion Day (Cambodia)

- Independence Day (Paraguay)

- Constitution Day (Philippines)

Fifteenth:

- Pista NG Anihan/Harvest fest (Philippines)

Sixteenth:

- Nine Days of Posada (Mexico)

- Bijoy Dibash / Victory Day (Bangladesh)

- National Day (Bahrain)

Seventeenth:

- Constitution Day (Norway)

Eighteenth:

- Republic Day (Niger)

Nineteenth:

- St. Nicholas Day (Russian Orthodox)

Twenty Second:

- Buddha's Birthday

- National Day (Yemen)

Twenty fourth:

- Independence Day (Libya)

Twenty fifth:

- Independence Day (Jordan)

- National Day (Argentina)

- African Liberation Day

Twenty sixth:

- Independence Day (Guyana)

Thirty first:

- Republic Day (South Africa)

- National day (Brunei)