- Slavery and Human Trafficking Prevention Month
- Poverty Awareness Month
- January 20, 2025: Martin Luther King Jr. Day; Martin Luther King Jr. Day is a federal holiday held on the third Monday of January. It celebrates the life and achievements of Dr. Martin Luther King Jr., an influential American civil rights leader.
- January 27: International Holocaust Remembrance Day
- American History Month
- Black History Month: Black History Month began as a way to teach people about the history of Black Americans and their contributions to society, it sought to ensure that these perspectives were included in the narrative. Today, Black History Month is a call to inclusion year-round and celebrates more than Black history, but also the ongoing achievements of African Americans in all aspects of society. Learn more about Black History Month, the Cleveland African American Museum, or The National Museum of African American History and Culture, and the new International African American Museum in Charleston, South Carolina.
- Canadian History Month
- Human Relations Month
- February 4: Rosa Parks Day. Learn more about this day/these days at America's Black Holocaust Museum in Milwaukee, Wisconsin
- Developmental Disabilities Awareness Month
- Greek-American Heritage Month
- Gender Equality Month
- Irish-American Heritage Month
- Ethnic Equality Month
- National Women's History Month
- March 8: International Women's Day
- March 8: United Nations Day for Women's Rights and International Peace
- March 11: World Day of Muslim Culture, Peace, Dialogue and Film
- March 25: International Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade
- March 31: International Day of Transgender Visibility: International Transgender Day of Visibility (TDOV) is an annual event occurring on March 31 dedicated to celebrating transgender people and raising awareness of discrimination faced by transgender people worldwide, as well as a celebration of their contributions to society.
- Community Service Month
- Earth Month
- Autism Acceptance Month
- Arab-American Heritage Month
- Tartan (Scottish-American) Heritage Month
- Celebrate Diversity Month
- Sexual Assault Awareness Month
- April 24: Holocaust Remembrance Day
- National Asian American and Pacific Islander Heritage Month
- Haitian Heritage Month
- Indian Heritage Month
- Jewish-American Heritage Month
- Mental Health Month
- National Foster Care Month
- South Asian Heritage Month
- Personal History Awareness Month
- Speech and Hearing Awareness Month
- Older Americans Month
- National Caribbean American Heritage Month
- LGBT Pride Month
- Black Music Month
- National Civility Month
- 9/15–10/15 Hispanic Heritage Month
- National Guide Dog Month
- Bullying Prevention Month
- Domestic Violence Awareness Month
- AIDS Awareness Month
- Down Syndrome Awareness Month
- Family History Month
- Filipino-American Heritage Month
- Hate Crime Awareness Month
- Italian-American Heritage Month
- LGBT History Month
- National Disability Employment Awareness Month
- National German Heritage Month (Sept. 15–Oct. 15)
- National Work and Family Month
- 7th - Ageism Awareness Day
- National Native American Heritage Month
- National American Indian & Alaska Native Heritage Month
- Universal Human Rights Month