01of 12Los Angeles Examiner/USC Libraries/Corbis via Getty ImagesCars fill the parking lot in Anaheim, California, on Disneyland’s opening day: July 17, 1955.02of 12Los Angeles Examiner/USC Libraries/Corbis via Getty ImagesVisitors take five in front of one of the park’s brand new attractions.03of 12USC Libraries/Corbis via Getty ImagesDumbo is the main event on Main Street.04of 12USC Libraries/Corbis via Getty ImagesWalt Disney and California Governor Goodwin Knight celebrate opening day.05of 12USC Libraries/Corbis via Getty ImagesRichard Nixon, then vice president, takes his nephew and daughter on Peter Pan’s Flight.06of 12Earl Leaf/Michael Ochs Archives/Getty ImagesActress Adelle August takes a ride around the park with a handful of guests.07of 12Bettmann/Corbis/GettyWalt Disney greets the media from outside of Sleeping Beauty Castle.08of 12Hulton Archive/Getty ImagesLater, he talks to kids on a ride on the Disneyland Stage Line.09of 12Gene Lester/Getty ImagesOne lump or two? Walt, his wife Lillian and daughter Diane go for a spin on the Mad Tea Party.10of 12Hulton Archive/Getty ImagesMickey Mouse himself greets guests arriving to the park.11of 12Keystone-France/Gamma-Keystone via Getty ImagesA view of park-goers making their way through the castle.12of 12Los Angeles Examiner/USC Libraries/Corbis via Getty ImagesA most magical day!

01of 12Los Angeles Examiner/USC Libraries/Corbis via Getty ImagesCars fill the parking lot in Anaheim, California, on Disneyland’s opening day: July 17, 1955.

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Los Angeles Examiner/USC Libraries/Corbis via Getty Images

Disneyland

Cars fill the parking lot in Anaheim, California, on Disneyland’s opening day: July 17, 1955.

02of 12Los Angeles Examiner/USC Libraries/Corbis via Getty ImagesVisitors take five in front of one of the park’s brand new attractions.

02of 12

Disneyland

Visitors take five in front of one of the park’s brand new attractions.

03of 12USC Libraries/Corbis via Getty ImagesDumbo is the main event on Main Street.

03of 12

USC Libraries/Corbis via Getty Images

Disneyland

Dumbo is the main event on Main Street.

04of 12USC Libraries/Corbis via Getty ImagesWalt Disney and California Governor Goodwin Knight celebrate opening day.

04of 12

Disneyland

Walt Disney and California Governor Goodwin Knight celebrate opening day.

05of 12USC Libraries/Corbis via Getty ImagesRichard Nixon, then vice president, takes his nephew and daughter on Peter Pan’s Flight.

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Disneyland, Richard Nixon

Richard Nixon, then vice president, takes his nephew and daughter on Peter Pan’s Flight.

06of 12Earl Leaf/Michael Ochs Archives/Getty ImagesActress Adelle August takes a ride around the park with a handful of guests.

06of 12

Earl Leaf/Michael Ochs Archives/Getty Images

Disneyland

Actress Adelle August takes a ride around the park with a handful of guests.

07of 12Bettmann/Corbis/GettyWalt Disney greets the media from outside of Sleeping Beauty Castle.

07of 12

Bettmann/Corbis/Getty

Disneyland

Walt Disney greets the media from outside of Sleeping Beauty Castle.

08of 12Hulton Archive/Getty ImagesLater, he talks to kids on a ride on the Disneyland Stage Line.

08of 12

Hulton Archive/Getty Images

Disneyland

Later, he talks to kids on a ride on the Disneyland Stage Line.

09of 12Gene Lester/Getty ImagesOne lump or two? Walt, his wife Lillian and daughter Diane go for a spin on the Mad Tea Party.

09of 12

Gene Lester/Getty Images

Disneyland

One lump or two? Walt, his wife Lillian and daughter Diane go for a spin on the Mad Tea Party.

10of 12Hulton Archive/Getty ImagesMickey Mouse himself greets guests arriving to the park.

10of 12

Disneyland

Mickey Mouse himself greets guests arriving to the park.

11of 12Keystone-France/Gamma-Keystone via Getty ImagesA view of park-goers making their way through the castle.

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Keystone-France/Gamma-Keystone via Getty Images

Disneyland

A view of park-goers making their way through the castle.

12of 12Los Angeles Examiner/USC Libraries/Corbis via Getty ImagesA most magical day!

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Disneyland

A most magical day!

source: people.com