The American Adventure pavilion opened on October 1, 1982 with the rest of [[EPCOT Center]]. When the pavilion opened it was sponsored by Coca-Cola and American Express <ref name= "Martin"/>, and it featured the [[American Adventure (Attraction)]], the American Gardens Theatre, Manor Gifts and the [[Liberty Inn]]. The pavilion was officially dedicated on October 11, 1982. On hand for the festivities were Disney CEO Card Walker, American Express CEO Jim Robinson, and Coca-Cola President Don Keough. At the ceremony the Voices of Liberty performed the Star Spangled Banner as doves were released <ref> https://www.youtube.com/watch?v=_QsXXdGhma0</ref>.
Since its opening, the American Adventure pavilion has seen a relatively few number of changes. The pavilion's attraction was updated in 1993, 1997 and again in 2018 <ref name= "Martin"/> <ref> https://disneyparks.disney.go.com/blog/2018/02/epcots-american-adventure-attraction-will-add-new-american-icons-this-month/ </ref>. Also in 1993, a small Victorian ship named the Golden Dream was docked on the pavilion's coastline <ref name= "Martin"/>. In November 1994, the American Gardens Theatre was partially enclosed for the debut of the Barbie's Birthday Party show<ref name= "Martin"/>. Original sponsor Cola-Cola ended its sponsorship in 1998, while sponsor American Express ended its sponsorship in 2002 (when Disney switched to Visa) <ref name= "Martin"/>. Finally, when the [[Liberty Inn]] initially opened, it did not have walls or windows (although it did have a roof). Subsequently, the restaurant has been was altered so that it is was entirely indoors <ref name= "Martin"/>.
In 2007, the quick service [[Fife and Drum Tavern]] opened in The American Adventure pavilion <ref> https://www.wdwmagic.com/dining/fife-and-drum-tavern.htm </ref>. On September 27, 2014, the Spirit of America Fife & Drum Crops ceased performing in the pavilion <ref> https://touringplans.com/epcot/attractions/spirit-of-america-fife-drum-corps </ref>.
On July 8, 2019, the [[Liberty Inn ]] was permanently closed in order to make way for the Regal Eagle Smokehouse Craft Drafts and Barbecue <ref name="bbq"/>. According to Disney: "The new location will be a modern barbecue smokehouse, with all the accompanying sights, sounds, smells and flavors you love – including a large smoker preparing fine food every day right on the pavilion’s promenade. There will also be a redesigned patio" <ref name="bbq"> https://www.wdwmagic.com/dining/liberty-inn/news/27jun2019-regal-eagle-smokehouse-craft-drafts-and-barbecue-replacing-the-liberty-inn-at-epcot.htm </ref>.
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