GlaxoSmithKline Day
GlaxoSmithKline Day is held on December 27. This event in the third decade of the month December is annual. 
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Glaxo Wellcome and SmithKline Beecham announced their intention to merge in January 2000. The merger was completed in December that year, forming GlaxoSmithKline (GSK). The company's global headquarters are at GSK House, Brentford, London, officially opened in 2002, by then-Prime Minister Tony Blair.
Today GlaxoSmithKline plc is a British multinational pharmaceutical company headquartered in London, England. GSK was the world's sixth largest pharmaceutical company according to Forbes as of 2019, after Pfizer, Novartis, Roche, Sanofi, and Merck & Co. Number of employees: 94,000 (2022). A science-led global healthcare company with a special purpose to improve the quality of human life by helping people do more, feel better, live longer.
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