arma greater seattle / Events / Upcoming events Spring Seminar Mania! Announcing Spring Seminar Mania! 16 ARMA Chapters have partnered to provide 16 free educational sessions during April and May. Our program participants span the country, from Washington state to Florida, expanding our regional diversity far beyond the Midwest. So grab your virtual passports and get ready to visit some spectacular destinations. April 11th – May 30th