The Philadelphia Inquirer: The Demise of Hahnemann University Hospital (Part 1 - Timeline): 1848: Hahnemann opens in downtown Philadelphia. 1928: The hospital moves to North Broad Street, and became the first skyscraper teaching hospital in the United States. 1993: Purchased by Allegheny Health Education and Research Foundation. 1998: Allegheny Health Education and Research Foundation declares bankruptcy, leaving Tenet Healthcare Corp. to acquire its holdings. January 2018: Tenet Healthcare Corp. sold Hahnemann to a California-based private equity firm. March 2019: New CEO, Suzanne Richards, is fired just two months into her tenure as chief executive of Hahnemann. April 2019: Hahnemann was losing $3 million to $5 million a month. The hospital lays off 175 employees to survive. May 2, 2019: Sued for $2 million in unpaid contributions for pensions, health benefits, and training. June 26, 2019: Closing announced. June 30, 2019: Owners file for bankruptcy protection. August 16, 2019: ER will close. August 23, 2019: Auxiliary health-related services will close. September 6, 2019: Hahnemann will cease all operations.