Historical Facts

24 Aug 1821

todayAugust 24, 2022

Background

Spain accepts Mexican independence
Eleven years after the outbreak of the Mexican War of Independence, Spanish Viceroy Juan de O’Donojú signs the Treaty of Córdoba, which approves a plan to make Mexico an independent constitutional monarchy.

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Historical Facts

23 Aug 2021

FDA fully approves the Pfizer COVID-19 vaccine On August 23, 2021, the Food and Drug Administration (FDA) fully approves the Pfizer-BioNTech COVID-19 vaccine for people aged 16 and older, following a manufacturing review and analysis of the company’s expanded clinical trial, which included approximately 44,000 participants and found the vaccine to be 91% effective in preventing COVID-19 disease.

todayAugust 23, 2022

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