Celebrate George Washington's Birthday at Washington's Headquarters. Three days of fun and festivities in honor of him. Saturday, February 16th Sunday, February 17th Monday, February 18th 12 - 4 p.m. Sing “Happy Birthday” and explore all that each day offers - music, military demonstrations, topical talks, and a take-home craft - something for everyone! As a special treat, The Washington Project: History Comes Alive! will take place each afternoon. Students from the Newburgh Enlarged City School District will present their…