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- Public holiday
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Puerto Ricoofficial
Also on this day
Full history →Notable · 2021
Burmese military forces killed at least 40 civilians during the Mo So massacre in Kayah State, Myanmar.- 2021Burmese military forces commit the Mo So massacre, killing at least 44 civilians.
- 2018A helicopter crash kills Martha Érika Alonso, first female Governor of Puebla, Mexico, and her husband Rafael Moreno Valle Rosas, former governor.
- 2008The Lord's Resistance Army, a Ugandan rebel group, begins a series of attacks against civilians in the Democratic Republic of the Congo, massacring more than 400.