What did Washington find charming as they whistled by

Washington became commander of the Virginia Regiment in the French and Indian War, and famously declared that when he "heard the bullets whistle," he found "something charming in the sound." He resigned his commission in 1758 and returned to his now massive estate, Mount Vernon.

Participated in conflicts: French and Indian War

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.