Largest gathering of people dressed as Batman

Largest gathering of people dressed as Batman
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Who
Nexen Energy
What
542 people
Where
Canada (Calgary ,)
When
18 September 2014

The largest gathering of people dressed as Batman is 542 and was achieved by Nexen Energy, a wholly owned subsidiary of CNOOC Limited (Canada), in Calgary, Alberta, Canada, on 18 September 2014.

The attempt was a kickoff to Nexen's 2014 United Way Campaign 'From Suits to Superheroes'.