- 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:
- 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 , the Cleveland African American Museum, or , and the new in Charleston, South Carolina.
- Canadian History Month
- Human Relations Month
- February 4: Rosa Parks Day. at in Milwaukee, Wisconsin
- March 8:
- March 8:
- March 11:
- 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
- Tartan (Scottish-American) Heritage Month
- Celebrate Diversity Month
- April 24:
- Indian Heritage Month
- Personal History Awareness Month
- Speech and Hearing Awareness Month
- National Caribbean American Heritage Month
- Black Music Month
- National Civility Month
- 9/15–10/15
- National Guide Dog Month
- Domestic Violence Awareness Month
- AIDS Awareness Month
- Down Syndrome Awareness Month
- Family History 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