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" by the Sons 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 recognizing the contributions of citizen soldiers and the impact of the battles on rallying support for the revolutionary cause. The Senate and House of Representatives of Tennessee express their intent to join in this commemoration on April 19, 2025, alongside various patriotic and veterans' organizations, ensuring that the legacy of these pivotal events in American history is honored and remembered.