 ARLINGTON, Va.--BUSINESS WIRE--Graham Holdings Company NYSE:GHC announced today that in light of the COVID-19 pandemic, the Company will hold its 2021 Annual Meeting of Shareholders via webcast rather than an in-person meeting. The meeting will be held on May 6, 2021 at 8:30 a.m. EDT. Shareholders of record on March 17, 2021 can access the live webcast of the Annual Meeting on the day of the meeting by logging in at using their control number and the passwor 