National Clean-Up-Day (Switzerland) | EventGuide

Dates:

2019	Sep 13	Fri
2020	Sep 11	Fri

Frequency:

Every
SEP

Hashtags:

n/a

References:

mavillejardin.org/national-clean-up-day-2019/
twitter.com/Empa_CH/status/1304409706316926979
amkaeferberg.ch/…/?lang=en

This event is scheduled on various dates in September.