Treaty of Guadalupe Hidalgo (Mexico). This treaty, which marked the end of the Mexican War, established U.S. sovereignty over 1,193,061 square miles of formerly disputed or Mexican territory, including the present states of Texas, Arizona, California and Utah, and parts of New Mexico, Colorado, and Wyoming.
Constitution Day (Día de la Constitucion), Mexico.
Flag Day (Mexico).
Dominican Republic Independence Day and beginning of Dominican Carnival. The pre-Lenten celebration coincides with the anniversary of the Dominican Republic’s Independence from Haiti.