Question: When did Disneyland start not charging for each ride?
About the article "Disneyland", section "Tickets".

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Summer Nightastic!
was an annual three-month promotion by the Walt Disney Company celebrating the summer at the US Disney Resorts.
It started in 2009 at the Disneyland Resort and had returned for 2010 at the Disneyland Resort and at the Walt Disney World Resort.
The event included special nighttime events and ride operations.
Walt Disney World featured events at the Magic Kingdom, Disney's Hollywood Studios, and Epcot.
The Disneyland Resort featured events at Disneyland Park and Disney California Adventure Park.
It was replaced by Disney Soundsational Summer at Disneyland, however the fireworks were retained.
The event did not return to Walt Disney World in 2011 either. 
Magic Kingdom's original 1971 version of this attraction was designed differently than its 1955 Disneyland counterpart.
On opening day, it soft-opened without, not only Timothy and his disco ball, but the elephants' hats as well.
The hats and disco ball were eventually added after a couple of months, but the Timothy Mouse figure wasn't added for about two years.
The ride was later updated with the sixteen vehicles and the new ride mechanism in 1993.
However, it did not include a central water feature like its Disneyland, Disneyland Paris and Hong Kong Disneyland counterparts; the utilidors running directly below the attraction prevented the installation of water pipes necessary for the water features to operate.
Also for this version, as well as its Disneyland Paris and Hong Kong Disneyland counterparts, Timothy's hot air balloon had red and white stripes, rather than rainbow stripes for the Disneyland version.
In 1997, the attraction's queue was covered to provide shade and decorated with topiaries.
For nostalgic visitors, a replica of Magic Kingdom's 1971 version currently exists at Tokyo Disneyland, being the only park to still feature ten flying elephants and Timothy spinning on a disco ball.
It is also the only other park, aside from Disneyland, to have Timothy holding a whip.
Magic Kingdom's Fantasyland is currently undergoing a large expansion and renovation that began in 2011.
"The New Fantasyland will be constructed in phases with most new experiences open by 2013."
Mickey's Toontown Fair closed permanently in February 2011 in order to make way for the expansion.
Some elements of Mickey's Toontown Fair were demolished and others were re-themed to a new Storybook Circus area.
An expanded Dumbo the Flying Elephant ride was built in this new location with an interactive queue.
Storybook Circus began soft openings on March 12, 2012, including one of the new Dumbo carousels.
The southern end of Storybook Circus had a delayed opening on March 21, 2012.
During the soft openings, it was revealed that the new attraction received the water features that have been included with the attraction in many other Disney Parks around the world.
However, unlike the other versions, an additional effect occurs at night when the fountain lights change colors, an effect that was picked up from the Disneyland version, but with more colors.
The Dumbo vehicles, which are richly detailed and vibrantly colored, now spin clockwise from the original version, which was reconstructed next to the new one, that soft-opened on June 22.
The two rides therefore counter-rotate from each other.
The attraction also features a new soundtrack and artwork panels at the bottom of the carousels that tell the story of "Dumbo", like the Prince Charming Regal Carrousel attraction.
However, a new central hub was introduced that lacks the hot air balloon with Timothy Mouse and the magic feather.
This figure has been moved to above the attraction's marquee.
A signature feature of this version is an indoor queue themed to the Bigtop from the film.
Inside guests receive ticket-themed pagers where they can wait until prompted, and small children can play in the play area themed to Dumbo's fire rescue stunt scene. 
As of 2006, the Pass is valid to the following parks: Disneyland Resort (Disneyland, Disney California Adventure Park), Walt Disney World Resort (Magic Kingdom, Epcot, Disney's Hollywood Studios, Disney's Animal Kingdom), Disneyland Paris (Disneyland Park, Walt Disney Studios Park), Hong Kong Disneyland Resort (Hong Kong Disneyland).
When Passes were renewed at the start of 2005, the Hong Kong Disneyland Resort was still under construction and it was noted on the Pass that it would not be valid for entry.
This was changed in 2006.
The two parks at the Tokyo Disney Resort - Tokyo Disneyland and Tokyo DisneySea - are not part of the allowance, as they are owned and operated by The Oriental Land Company under licenses from Disney.
On May 2, 2006, Disney honored the two billionth guest of a Disney park at Disneyland.
The guest received a modified version of the Golden Pass - this time, it entitled admission to the two theme parks at the Tokyo Disney Resort.
The Oriental Land Company allowed this because the two billion count included guests at Tokyo Disneyland and Tokyo DisneySea.
On February 7, 2008, 2 Golden Passes were given to the first 2 babies born in the Year of the Rat in Hong Kong.  
Flying Saucers was an amusement ride at Disneyland in Anaheim, California from 1961 to 1966.
The ride was manufactured by Arrow Development and National Research Associates, Inc.
Guests rode on personal flying saucers on a cushion of air, similar to an air hockey game, which played in a way similar to bumper cars with guests ramming each other with their saucers.
As the ride began, the saucers would be subject to a high volume of low-pressure air directed underneath the saucers by means of a grid of circular valves from a plenum chamber below the field on which they operated.
As the saucers moved about the field, the valves would open and close in response to their proximity.
As guests shifted their weight in any direction by leaning, saucer movement would respond by means of an air jet derived from the increased pressure in the saucer's plenum.
If weight was centered, the saucer would begin to "hop" up and down as the air randomly escaped around the plenum.
All that was required to regain control was for the guest to lean in any direction.
The ride consisted of two sets of saucers (approximately 14 each) on a semi-circular field and a mechanical boom that would sweep the arc of the field and corral one set of saucers in the loading area.
As the boom moved, it would free the other set of saucers (with their new riders) from their loading area to roam the field while the other set was unloaded and loaded in-turn.
The ride was expensive to operate, maintenance was intensive, and it did not fit the normal Disneyland "guest flow" in that a relatively small number of riders was able to participate on any given day.
The Flying Saucers did not survive the transition to New Tomorrowland.
When New Tomorrowland opened in 1967, the space that this ride occupied was turned into the Tomorrowland Stage.
On June 15, 2012, a new ride using similar technology opened in Cars Land inside Disneyland's sister park, Disney California Adventure.
This ride is named Luigi's Flying Tires, and is themed on Luigi's Tire Shop from the film "Cars".
This version holds two or three passengers per ride vehicle instead of one. 
Pirates of the Caribbean is a dark ride at Disneyland, the Magic Kingdom, Tokyo Disneyland, and Disneyland Park in Paris.
The original version at Disneyland, which opened in 1967, was the last attraction whose construction was overseen by Walt Disney himself; he died three months before it opened.
The ride, which originally told the story of a band of pirates including their troubles and their exploits, was replicated at the Magic Kingdom in 1973, at Tokyo Disneyland in 1983, and at Disneyland Paris in 1992.
Each version of the ride has a different façade, but has a similar ride experience.
The ride is known for giving rise to the song "Yo Ho (A Pirate's Life for Me)" written by George Bruns and Xavier Atencio.
It also became the basis for the "Pirates of the Caribbean" film series, which debuted in 2003.
Since 2006, Disney has incrementally incorporated characters from the film series into the Disneyland, Magic Kingdom, and Tokyo Disneyland versions of the rides.