An example of a time span (jan 1, 1777 – jan 1, 1780)
Description:
Once the Americans proved they could fight effectively by defeating a British army at Saratoga in 1777, the French entered into a formal alliance with them. By 1780, the French providing the Americans with not only substantial sums of money but also naval support and a large force of trained soldiers and officersAdded to timeline:
Date:
jan 1, 1777
jan 1, 1780
~ 3 years