World Swallowtail Day

Happens each year on the 2nd Sunday in June. In 2021, this is June 13th.

Frequency:
2nd Sun
in Jun
Inception Year:
2019
Hashtags:
References:
sbbt.org.uk/world-swallowtail-day/
twitter.com/edge_nature/status/1137798303712604160
facebook.com/events/d41d8cd9/world-swallowtail-day/602198093597232/

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