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- Public holiday
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Costa Ricaofficial
Also on this day
Full history →Notable · 2018
A woman opened fire at YouTube headquarters in San Bruno, California, injuring three people before killing herself.- 2018YouTube headquarters shooting: A 38-year-old gunwoman opens fire at YouTube Headquarters in San Bruno, California, injuring three people before committing suicide.
- 2017A bomb explodes in the St Petersburg metro system, killing 14 and injuring several more people.
- 2016The Panama Papers, a leak of legal documents, reveals information on 214,488 offshore companies.