Important Dates

Check back in the fall for 2022 Important Dates.

2021 THEME: “Communication in History: Key to Understanding”


Detailed registration information can be found on our Registration page.

January 6, 2021: NHD-SD Registration Opens
January 29, 2021: Regular Registration Closes & Late Registration Opens
February 6, 2021: Late Registration Closes

Submission Deadlines

February 24, 2021: Documentaries, Exhibits, Papers, Posters, Performances due by 11:59PM
February 25, 2021: Websites
locked out at 9 PM

February 28, 2021: Payment deadline

NHDSD County Virtual Contest

Thursday February 25: Judges’ Orientation
4 to 5:30 pm via Zoom

March 1-8, 2021: Regular Judging

March 8-10, 2021: Final Judging

March 11, 2021: NHDSD Announcement of Results

State and National Contests

Please note that both State and National 2021 contests will be virtual.

May 2021: National History Day in California Competition
For more information, visit

June 2021: National History Day Competition
For more information, visit

Orientation Sessions

Powerpoint slides available for the following sessions held in the fall:

Wednesday, September 30, 4 pm: What is History Day?
What is NHD Powerpoint

Wednesday, October 7, 4 pm: Teachers and Coaches Orientation
Teachers and Coaches Orientation Powerpoint

Help 4U Training Sessions

On-Going: NHD-SD Help 4 U
Teachers using NHD as a class project are welcome to request class-time training sessions depending on presenter availability. To schedule sessions, please email All sessions are free.

More information about possible session topics can be found on the Training and Orientation page.

Questions? Contact