Use Ask When Run on the Calendar field to choose as the shortcut is running.
Fill out the Location field with an Address variable from one of the Location/maps actions.
Expand Date to see the Start Date/End Date fields.
Ignoring the Alert field will assign a default alert.
Use Repeat With Each and Add New Event inside the repeat loop to batch-add events. Try using Adjust Date before End Repeat to increment by one day through each loop.
Needs repeating options.