On this day, January 21, in 1899, President Emilio Aguinaldo proclaimed the establishment of the constitution in Malolos.
The official calendar of the Republic of the Philippines: an almanac of Philippine commemorations enlivened with illustrations and information. –Manila: Presidential Communications Development and Strategic Planning Office, .
On this day in 1763, King Louis XVI of France was executed by guillotine. This was one of the important events in the French Revolution that weakened European monarchies.
On this day in 1790, Dr. Joseph Ignace Guillotin presented to the French National Assembly the guillotine as a humane method of carrying out the death sentence. It was invented by Antoine Lewis and Tobias Schmidt.
January is Zero Waste Month (Proclamation No. 760, s. 2014)
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