Universal Letter Writing Week

Occurrence:
2X
Hashtags:
References:
thechocolatecult.blogspot.com/…/universal-letter-writing-week-wi…
nationaldaycalendar.com/january-weekly-observations/
mathequalslove.blogspot.com/…/universal-letter-writing-week-2016…

Universal Letter Writing Week takes place from the 8th of January through the 14th of January.