The party ends in the early morning, and is cleared away afterward. Frodo administers Bilbo's will, giving out various presents to family and acquaintances. Gandalf leaves the Shire and will not return for 9 years.
These major characters were present
In the calendar of the Shire, there are 12 months each with 30 days, so there will be no results for the 31st of any month, and February will have entries on the 29th and 30th.
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