Machias is combining its 250th birthday with a local summer tradition.The week-long birthday party begins Saturday, June 15th. The Margaretta Day Festival also takes place Saturday.It commemorates the 1776 Battle of the Margaretta, the first naval battle of the American Revolution. It also honors the Battle of the Rim, where the British were defeated when they returned to burn down Machias. This year organizers are tying it into the town’s 250th birthday festivities. There will be a parade, fireworks and a whole lot more going on for the next week.For a complete list of events go to the Facebook page Machias 250th Birthday Celebration.