Hispanic Heritage Month - September 15 to October 15, the 1968 origins, and how it is observed
Hispanic Heritage Month is observed in the United States from September 15 to October 15. Signed into law as a 30-day observance in 1988 (Pub. L. 100-402), it started as a single week under President Lyndon Johnson's Proclamation 3839 of 1968. Honoring the histories, cultures, and contributions of Americans whose ancestors came from Spain, Mexico, the Caribbean, and Central and South America.
Civic memorialPublished October 13, 2026
- Observed in
- Where observed
- When
- Sep - Oct
- Frequency
- Computed (rule-based)
- Days off
- 1 day - some jurisdictions give time off
- Public status
- Memorial / civic observance - half-mast on government flags
Hispanic Heritage Month is the longest federally recognised cultural-heritage observance in the United States and one of the few that includes multiple overlapping national-independence anniversaries within its own window. The 30-day run also overlaps October 12 - Columbus Day, Indigenous Peoples' Day, and Día de la Raza - by design.
Hispanic Heritage Month is one of five US federal heritage months (the others are Black History Month in February, Asian American and Pacific Islander Heritage Month in May, Native American Heritage Month in November, and Women's History Month in March). Of the five, Hispanic Heritage Month is the longest and the only one that crosses two calendar months. The annual presidential proclamation is the longest-running federal recognition of any of these months, dating back to 1968.
Origin
On September 17, 1968, President Lyndon B. Johnson signed Proclamation 3839 establishing Hispanic Heritage Week, acknowledging the substantial contribution of US residents of Hispanic heritage. The week ran September 15-22, picking September 15 as the start date because it falls on the independence anniversaries of Costa Rica, El Salvador, Guatemala, Honduras, and Nicaragua; September 16 is Mexican Independence Day; September 18 is the anniversary of Chile's National Day.
The original 1968 proclamation was a week, but the choice of dates was already crowded. Congressman Edward R. Roybal (D-CA), a Mexican-American congressman who had worked on behalf of Hispanic veterans and civil-rights groups since the 1940s, introduced the resolution on September 14, 1967. The bill passed both chambers by unanimous consent; LBJ signed Proclamation 3839 on September 17, 1968. The proclamation cited the contributions of Hispanic Americans to the United States in the arts, sciences, military, and government.
Extension to a month (1988)
Senator Paul Simon (D-IL) and Rep. Edward Roybal (D-CA) sponsored the bill to extend the observance to a 30-day month in 1988. President Ronald Reagan signed Public Law 100-402 on August 17, 1988, taking effect with that year's September 15 observance.
The 1988 extension built on 20 years of community advocacy. By the mid-1980s the Hispanic-American population had grown to roughly 19 million (US Census, 1986), and Hispanic-origin members of Congress (including Roybal, who had been elected in 1962) pushed for an extended observance. The bill passed the House 211 - 0 and the Senate by voice vote - reflecting unusual bipartisan support. Reagan signed it without ceremony.
The 1988 statute does not specify an annual presidential proclamation, but every president from Reagan onward has issued one each year. The Library of Congress Hispanic Division and Smithsonian Latino Center produce annual thematic resources aligned with each year's proclamation text.
How it is observed
Schools, libraries, and museums across the US stage programming throughout the period. Corporate diversity offices sponsor panels and employee-resource-group events. The Smithsonian Latino Center, the Library of Congress Hispanic Division, and the National Museum of American History coordinate programming every year.
K-12 schools run lesson plans during the month, often tied to a national theme released by the Department of Education. Universities host lecture series and conferences; community colleges run financial-aid and college-access workshops. Public libraries and museums put on art exhibitions, author talks, and film screenings; the Smithsonian American Art Museum's annual Hispanic Heritage Month programming typically draws 80,000+ visitors over the 30-day period.
Media coverage clusters in late September - early October. Telemundo and Univision run dedicated month-long news coverage; PBS, NPR, and the major English-language networks run series profiles. The Congressional Hispanic Caucus Institute runs a Hispanic Heritage Month policy briefing on the Senate side each year.
Where it is contested
The label "Hispanic" itself - chosen by the federal government in the 1970 census to capture Spanish-speaking origins collectively - is debated. Many scholars and community members prefer "Latino" or "Latinx"; the federal government officially adopted neither. The 30-day window's overlap with Columbus Day has prompted "Día de la Raza" events in some US cities, especially in regions with large Mexican-origin populations.
Two further recurring disputes attach to the observance. First, the calendar collision with Columbus Day / Día de la Raza: many Mexican-origin communities treat October 12 as the start of a four-day "Hispanic Heritage Month closing week" anchored by Día de la Raza. Cities with large Mexican-origin populations (Chicago, Los Angeles, Houston, San Antonio, Phoenix) run their largest civic events around this stretch.
Second, the question of who "counts" as Hispanic or Latino. The Census Bureau has used "Hispanic, Latino, or Spanish origin" since 2020, but the precise definitions (whether Brazilians count, whether Spaniards count, whether people of mixed heritage count) are debated in the community. The 2020 Census counted 62.1 million Hispanic or Latino Americans - 18.7 percent of the US population - with Mexican-origin residents making up roughly 60 percent of that total.
International counterparts
Several Latin American countries have parallel heritage observances. Mexico runs Mes de la Nación Inmigrante in August; Argentina runs Mes de la Hispanidad in October. Brazil (which is Portuguese-speaking) has its own heritage observances but does not participate in the US observance. Spain does not mark a comparable observance, though regional Día de la Hispanidad events are held in October.
Brazil's independent heritage months are structured around its own history: the country celebrates independence on September 7, Dia da Consciência Negra (Black Awareness Day) on November 20, and observes the Afro-Brazilian heritage month separately. Brazil's Embassy in Washington issues a parallel statement each September 15, but the Brazilian Embassy programme does not coordinate with the US Hispanic Heritage Month.
Canada recognises Latin American Heritage Month during the same September 15 - October 15 window as the US, but anchored on Canadian population data. The Canadian observance was first proposed in 2018 and was established by federal proclamation in 2022 under the Government of Canada's official Heritage Months programme. The UK, EU, and Australia do not run equivalent national observances, though community organisations in those regions mark the period.
Related days
- Cinco de Mayo - May 5, Mexican-origin observance.
- Columbus Day - second Monday in October.
- Indigenous Peoples' Day - same Monday.
Hispanic Heritage Month by the numbers
Sources
Primary sources: Proclamation 3839 (Lyndon B. Johnson, September 17, 1968); Pub. L. 100-402 (August 17, 1988); Library of Congress, Hispanic Division.