Educational and musical performances, patriotic performances, student historical readings and essay and art recognitions will be held throughout the morning.
In Pearl River, Jackson, Forrest, George and Stone counties, local officials said the money will support projects including emergency facilities and infrastructure upgrades.
The grants, awarded to nonprofits, schools and local governments, will fund educational and celebratory programs that highlight Mississippi's role in American history.
The nationwide effort is led by an alliance of journalists, nonprofit leaders and other supporters who want to highlight the value of reliable local reporting.