How do I become a vendor? October 31, 2019 15:44 Updated Follow Please complete the vendor application form here and a HISTORYCon team member will be in touch. Related articles Can I volunteer at HISTORYCon? More questions? I am an Ultimate Pass holder. How will the photograph session that is included with my pass work? What do I need in order to check in? Are there any age restrictions to enter the HISTORYCon Event?