Argentina

HOLIDAYS

1/1 New Year's Day
March-April Good Thursday
March-April Good Friday
3/24 Memorial Day
4/2 Malvinas Day
5/1 Labor Day
5/24 Revolucion de Mayo (Buenos Aires Independence)
6/20 National Flag Day
7/9 National Independence Day
8/17 Jose de San Martin Day
9/1 Teacher's Day
9/21 Student's Day
10/12 Columbus Day
12/8 Day of Immaculate Conception
12/24 Christmas Eve
12/25 Christmas

Chile     

HOLIDAYS

1/1 New Year's Day
March-April Good Friday
March-April Easter
5/1 Labor Day
5/21 Navy Day
6/15 Corpus Christi
6/29 Saint Peter and Paul's Day
8/15 Assumption of the Virgin
9/18 Independence Day
9/19 Armed Forces Day
10/12 Columbus Day
11/1 All Saints Day
12/8 Day of the Immaculate Conception
12/25 Christmas

Mexico        

January 1: Año Nuevo (New Year's Day)
January 6: Día de los Santos Reyes
January 17: Feast Day of de San Antonio de Abad February 2: Día de la Candelaria
February 23-28 (2006): Carnaval  Dates change slightly as follows: 2006: Feb 23-28; 2007: Feb 15-20; 2008: Jan 31 - Feb 5; 2009: Feb 19-24; 2010: Feb 11-16.
February 5: Día de la Constitución
February 24: Flag Day
March 19: St. Joseph's Day
March 21: The Birthday of Benito Juárez
Semana Santa: Semana Santa is the holy week that ends the 40-day Lent period.
May 1: Primero de Mayo
May 3: Holy Cross Day
May 5: Cinco de Mayo
May 10: Mother's Day
June 1: Navy Day
June 24: Saint John the Baptist Day
June 29: Fiesta of Saint Peter and Saint Paul September 1: Annual State of the Union
September 16: Mexican Independence Day
October 12: Día de la Raza
November 1&2: Día de los Muertos
November 20: Mexican Revolution Day
December 12: Día de Nuestra Señora de Guadalupe
December 16: Las Posadas
December 25: Navidad