Clockwise from top-left: Hong Kong protests turn to widespread riots and civil disobedience; the U.S. House of Representatives votes to adopt articles of impeachment against Donald Trump due to the Trump-Ukraine scandal and other controversies; CRISPR gene editing first used to experimentally treat a patient with a genetic disorder; a fire destroys the spire and roof of Notre-Dame de Paris ; the Venezuelan presidential crisis divided the nation and the world in support for Nicolás Maduro or Juan Guaidó ; protesters in Tahrir Square, Baghdad during the Iraqi protests , caused by strong Iraqi nationalism ; Chileans protest after the increase in the rates of the public transport system of Santiago ; the Event Horizon Telescope captures the first image of a black hole .
Calendar year
2019 (MMXIX ) was a common year starting on Tuesday of the Gregorian calendar , the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium and the 21st century , and the 10th and last year of the 2010s decade.
Calendar year
This was the year in which the first known human case of COVID-19 was documented, preceding the pandemic which was declared by the World Health Organization the following year.[ 1]
Up to that point, 2019 had been described as the "best year in human history" by some newspapers and media outlets in the United States, including The New York Times and WNYC .[ 2] [ 3]