Disneyland Park was opened to the public on Monday, July 18, 1955. Crowds started to gather in line as early as 2 a.m., and the first person to buy a ticket and enter the park was David MacPherson with admission ticket number two, as Roy O. Disney arranged to pre-purchase ticket number one.

Disneyland Park was opened to the public on Monday, July 18, 1955. Crowds started to gather in line as early as 2 a.m., and the first person to buy a ticket and enter the park was David MacPherson with admission ticket number two, as Roy O. Disney arranged to pre-purchase ticket number one.