HAPPENIN’ OTSEGO for THURSDAY, OCTOBER 19 Writers Salon with Local Author at CANO WRITERS SALON—7:30 p.m. Open mic and presentation with Adrienne Martini on Victorian explorer Isabella Bird. Community Arts Network of Oneonta, Wilber Mansion, 11 Ford Avenue, Oneonta. Visit https://www.canoneonta.org/writers-salon BLOOD DRIVE—Noon to 5 p.m. Oneonta YMCA at the Southside Mall, 5006 State Highway 23, Oneonta. RedCrossBlood.org…