What ADHD Awareness Month is
ADHD Awareness Month is a US observance held every October, built around public education about Attention-Deficit/Hyperactivity Disorder: how it is diagnosed, how it is treated, and how often it goes undiagnosed, especially in adults. The Centers for Disease Control and Prevention's data page puts current ADHD diagnoses at roughly 7 million US children and adolescents ages 3 to 17, about 11.7 percent, based on a national parent survey CDC ran in 2024; an earlier CDC-cited 2022 survey had put the ever-diagnosed figure at 11.4 percent, about 7.1 million, with 10.5 percent, about 6.5 million, carrying a current diagnosis at that time.
The month carries no legal status. It creates no day off, and government offices, schools, and businesses run a normal October around it. It is organized, every year, by a coalition of three advocacy groups: the Attention Deficit Disorder Association (ADDA), CHADD, and the ADHD Coaches Organization (ACO), which jointly run webinars, public-education toolkits, and community events under the shared campaign site ADHDAwarenessMonth.org.
Five Septembers, five resolutions, then nothing
Congress did not approve a single ADHD awareness day and stop there. It approved one every year for five years straight. Senator Maria Cantwell of Washington sponsored all five, always in the Senate, always as a simple resolution that passed the same day or within days of being introduced, by unanimous consent or without objection: Senate Resolution 370 in 2004 (with Senator Richard Durbin, designating September 7), Senate Resolution 201 in 2005 (again with Durbin, designating September 14), Senate Resolution 544 in 2006 (again with Durbin, designating September 20), Senate Resolution 295 in 2007 (Cantwell alone, designating September 19), and Senate Resolution 649 in 2008 (with Senator Gordon Smith of Oregon, designating September 18).
Each resolution named a single calendar date for that year only. None of the five ever states a recurring rule, an annual formula, or a month. Read together, they show the Senate doing the same specific thing five years in a row rather than setting up a standing designation once and letting it run on its own; each year required a new bill, a new introduction, and a new vote. After 2008, this calendar could not find a sixth.
Why the Senate stopped, and what came after
This calendar searched Congress's bill database for any later resolution using the same title, and for the shorter "ADHD Awareness" phrasing that later replaced "Attention Deficit Disorder" in common usage, and found nothing after Senate Resolution 649 in 2008: no sixth Senate resolution, no House companion measure, and no presidential proclamation naming an annual day or the October month at the federal level in any year since. No source consulted for this page states why the annual pattern stopped.
What took its place was not further legislation but an advocacy coalition. ADDA, CHADD, and the ADHD Coaches Organization, the same groups behind the Senate resolutions, continued the campaign on their own authority, past the single September date Congress had last approved in 2008, into what is now a full month observed every October. The Centers for Disease Control and Prevention hosts its own ADHD Awareness partner toolkit each October, with shareable social media content and links to educational material; that is collaborative, informational support for the coalition's campaign, not an independent federal recognition, and it should not be read as a proclamation or statute, neither of which this calendar could find behind the October observance.
A secondary source that's partly right, for the wrong reason
One account of this history, published on the blog ImpactADHD.com, describes the origin as declaring "the 3rd Wednesday of September" to be National ADHD Awareness Day. Checked against the actual dates the Senate designated, that description is a coincidence, not a rule. September 20, 2006 and September 19, 2007 genuinely were the third Wednesday of their respective months, so for those two years the blog's shorthand happens to land on the right date. But September 7, 2004 was a Tuesday, September 14, 2005 was the second Wednesday of that September, and September 18, 2008 was a Thursday. None of the five resolutions themselves state a weekday-based formula; each designates one specific date, decided fresh by the Senate that year.
The gap between the primary text and the paraphrase is a useful reminder for a reader trying to plan around any of these observances: a summary that gets two years right out of five can still be describing something that never existed as a rule. What existed was five separate acts of Congress, not one recurring one.
Where this sits next to its fall neighbors
This calendar has now checked the federal paper trail behind several October and November health observances, and ADHD Awareness Month's pattern is the most unusual of the group so far. American Diabetes Month has an actual presidential proclamation on record, Reagan's Proclamation 4994 in 1982, renewed by name again in 1985. National Epilepsy Awareness Month has the opposite record: three separate congressional resolutions, in 2002, 2003, and 2011, were introduced and every one of them died in committee without a vote. Domestic Violence Awareness Month sits between those two: Congress designated it by name for one specific year, 1989, in a joint resolution, and every President since has kept proclaiming the month on independent executive authority.
ADHD Awareness Month fits none of those three patterns. Unlike Epilepsy Awareness Month, Congress did not fail, it succeeded, five years running, passing a fresh resolution every year from 2004 through 2008 without a single one dying in committee. Unlike Diabetes Month and Domestic Violence Awareness Month, that repeated success was never converted into a standing designation, a proclamation, or a rule that would keep applying without a new bill each year, and after 2008 no new bill came. Five straight years of real, unopposed Senate approval, followed by an abrupt and unexplained stop, with nothing federal since, is a pattern this calendar has not documented on another page yet.