October 31 is the 31st day of October. There are 61 days remaining until the end of the year. In many countries, this is Halloween.

Events[]

• 2009: First official BIONICLE Stars teaser image is released, featuring Mata Nui, Vastus, Ackar, Gelu and the 2010 Tahu set.

2013:

• The main trailer for The LEGO Movie is released online.
• 70803 Cloud Cuckoo Palace is revealed online.