2015 Event Officials find that Andreas Lubitz, co-pilot of downed Germanwings Flight 4U 9525, had mental and physical health problems that he hid from the airline; a doctor's note was found excusing him from work on the day that he crashed the plane 2015 Event Aducanumab, a new drug developed by Biogen to treat Alzheimer's, is showing success in reducing toxic brain plaque and decreasing the rate of mental impairment in trials; if successful in further testing, the drug may be available by 2020 1973 Event American Psychiatric Association declares homosexuality is not mental illness 1965 Death Henriette de Vreker-Verschuur, actress (Revolt in Mental Home), dies 1950 Event Mental health wing of Mercy Hospital burns, kills 41 (Davenport Ia) 1932 Birthday Sister Vince Otto, mental health activist 1918 Event Electrical fire kills 38 mental patients at Oklahoma State Hospital 1907 Event Frederik of Oaths disbands mental home colony Walden 1876 Birthday Clifford Whittingham Beers, U.S., mental hygiene pioneer 1866 Birthday Adolf Meyer, U.S., psychiatrist/neurologist, pioneered mental hygiene 1802 Birthday Dorothea Dix, U.S., aroused interest in treatment of mental inmates