All Closures and Refurbishments at a bug’s land or Disneyland Park in Disneyland during May and September of 2016, 2021 and 2024

May 2016

Jan. 04 - May. 01a bug's land : Disney California AdventureIt's Tough to Be a Bug Closed for installation of Jungle Book preview. Preview opens March 18, and will run for an unspecified period of time. The movie opens in theaters on April 15.
Jan. 10 - Jul. 29Frontierland : Disneyland ParkRivers of America Attractions Disneyland Railroad and most Rivers of America attractions (including Fantasmic!) are closed temporarily to make room for the construction of the new Star Wars land. Pirate's Lair on Tom Sawyer Island has re-opened. Fantasmic! opens on July 17. Davy Crockett Explorer Canoes, Mark Twain Riverboat, Sailing Ship Columbia and Disneyland Railroad reopen on July 29.
Jan. 11 - May. 06Adventureland : Disneyland ParkJungle Cruise Removal of holiday overlay and refurbishment.
Apr. 03 - PERMANENT CLOSURETomorrowland : Disneyland ParkAvengers Super Hero HQ Final Day is April 2. The character Meet-and-Greet, featuring Captain America and Spider-Man, will move to Disney California Adventure starting on April 3.
Apr. 11 - May. 19Tomorrowland : Disneyland ParkDisneyland Monorail Closed.
Apr. 18 - May. 06Fantasyland : Disneyland ParkMatterhorn Bobsleds Refurbishment
May. 09 - May. 13New Orleans Square : Disneyland ParkBlue Bayou Refurbishment
May. 09 - May. 15New Orleans Square : Disneyland ParkPirates of the Caribbean Refurbishment
May. 16 - Jun. 09Adventureland : Disneyland ParkTarzan's Treehouse Refurbishment
May. 23 - May. 26Tomorrowland : Disneyland ParkGalactic Grill Refurbishment - presumably to remove the Star Wars overlay.

September 2016

Jan. 10 - Jul. 29Frontierland : Disneyland ParkRivers of America Attractions Disneyland Railroad and most Rivers of America attractions (including Fantasmic!) are closed temporarily to make room for the construction of the new Star Wars land. Pirate's Lair on Tom Sawyer Island has re-opened. Fantasmic! opens on July 17. Davy Crockett Explorer Canoes, Mark Twain Riverboat, Sailing Ship Columbia and Disneyland Railroad reopen on July 29.
Aug. 22 - Sep. 08New Orleans Square : Disneyland ParkHaunted Mansion Short refurbishment to apply the Nightmare Before Christmas overlay for the Halloween and Christmas seasons. Re-opens on September 9.
Aug. 22 - Sep. 29Main Street, U.S.A. : Disneyland ParkGreat Moments with Mr. Lincoln Refurbishment.
Sep. 06 - Sep. 08Tomorrowland : Disneyland ParkHyperspace Mountain Closed for seasonal conversion to Space Mountain Ghost Galaxy. Ghost Galaxy opens September 9, and runs through October 31.
Sep. 12 - Sep. 14Adventureland : Disneyland ParkIndiana Jones Adventure Closed for refurbishment
Sep. 12 - Sep. 18Toontown : Disneyland ParkDonald's Boat Closed for refurbishment
Sep. 19 - Sep. 21Toontown : Disneyland ParkGadget's Go Coaster Refurbishment

May 2021

2019 - Early 2023Disneyland Park : Disneyland ResortMickey & Minnie's Runaway Railway (DLR) The first major Mickey-themed ride-through attraction, is coming to Disneyland’s Mickey’s Toontown in Early 2023 as part of the reimagination of Mickey’s Toontown. The ride will be housed in the El CapiTOON Theater, where Mickey and Minnie are premiering their newest short, Perfect Picnic.
March 14th, 2020 - July 25th, 2022Disneyland Park : Disneyland ResortFinding Nemo Submarine Voyage Finding Nemo Submarine Voyage closed for refurbishment on March 14th, 2020. It will reopen on July 25th, 2022.

September 2021

2019 - Early 2023Disneyland Park : Disneyland ResortMickey & Minnie's Runaway Railway (DLR) The first major Mickey-themed ride-through attraction, is coming to Disneyland’s Mickey’s Toontown in Early 2023 as part of the reimagination of Mickey’s Toontown. The ride will be housed in the El CapiTOON Theater, where Mickey and Minnie are premiering their newest short, Perfect Picnic.
March 14th, 2020 - July 25th, 2022Disneyland Park : Disneyland ResortFinding Nemo Submarine Voyage Finding Nemo Submarine Voyage closed for refurbishment on March 14th, 2020. It will reopen on July 25th, 2022.

May 2024

February 17th, 2023 - Tiana’s Palace Restaurant will replace this locationDisneyland Park : Disneyland ResortFrench Market This Disneyland restaurant closed permanently on February 17th, 2023, in order to make way for the NEW Tiana’s Palace restaurant. The new spot will feature food inspired by Disney’s The Princess and the Frog.
February 17th, 2023 - TBADisneyland Park : Disneyland ResortMint Julep Bar The Mint Julep Bar is also closed as Disneyland works on Tiana’s Palace, but it’s going to reopen as part of the new restaurant.
May 31st - Late 2024Disneyland Park : Disneyland ResortSplash Mountain Splash Mountain will close on May 31st, 2023 to reopen as the new Tiana's Bayou Adventure in late 2024.

September 2024

February 17th, 2023 - Tiana’s Palace Restaurant will replace this locationDisneyland Park : Disneyland ResortFrench Market This Disneyland restaurant closed permanently on February 17th, 2023, in order to make way for the NEW Tiana’s Palace restaurant. The new spot will feature food inspired by Disney’s The Princess and the Frog.
February 17th, 2023 - TBADisneyland Park : Disneyland ResortMint Julep Bar The Mint Julep Bar is also closed as Disneyland works on Tiana’s Palace, but it’s going to reopen as part of the new restaurant.
May 31st - Late 2024Disneyland Park : Disneyland ResortSplash Mountain Splash Mountain will close on May 31st, 2023 to reopen as the new Tiana's Bayou Adventure in late 2024.