Senate Joint Resolution 429, sponsored by Gardenhire, commemorates the 250th anniversary of the Battles of Lexington and Concord, which took place on April 19, 1775. This resolution recognizes the significance of these battles as the starting point of the Revolutionary War, symbolized by the "Shot Heard Round the World." It highlights the bravery of the Minutemen, local citizens who stood against the British army, and acknowledges the sacrifices made by those who fought for American liberty and independence. The resolution encourages cities, counties, and states to participate in this patriotic celebration from 2023 to 2033, designated as the "Decade of the American Revolution."

The resolution calls for a collective remembrance of the events that united the colonies in their struggle for freedom and independence. It emphasizes the importance of honoring the legacy of the battles and the citizen soldiers who played a crucial role in the fight against British forces. On April 19, 2025, the state of Tennessee, alongside the Sons of the American Revolution and various community and veterans' organizations, will join in commemorating this pivotal moment in American history.