There’s been many a tale of good times in Eastham during the town’s 365-year history, but many might find it hard to top the shindig thrown here during the summer of 1951. Eastham celebrated its 300th anniversary that year, with festivities hitting historic levels during the week of Aug. 19-25. The town’s tercentenary celebration was highlighted by thousands of people attending a huge parade, a clam bake, a historic pageant, and a square dance on the town’s famous Windmill Gr