Added Juneteenth as a public holiday in XCBF.

Author: philtromans

exchange_calendars/exchange_calendar_xcbf.py

@@ -20,6 +20,7 @@
     USMemorialDay,
     USNationalDaysofMourning,
     USNewYearsDay,
+    USJuneteenth
 )
 
 
@@ -53,6 +54,7 @@ def regular_holidays(self):
                 GoodFriday,
                 USIndependenceDay,
                 USMemorialDay,
+                USJuneteenth,
                 USLaborDay,
                 USThanksgivingDay,
                 Christmas,