All Events at Disneyland during April of 2017 and 2021

April 2017

Jan. 20 - Aug. 20Disneyland Park : Disneyland ResortMain Street Electrical Parade The Main Street Electrical Parade moves from Florida to California for a limited encore engagement at Disneyland in 2017. The parade was originally scheduled to run until June 18, but has been extended through August 20.
Feb. 03 - End date not yet announcedDisneyland Park : Disneyland ResortRemember...Dreams Come True The Remember...Dreams Come True fireworks show, which celebrated Disneyland's 50th anniversary, returns for weekend performances starting February 3. The show is expected to continue through the spring season.
Feb. 24 - End date not yet announcedFantasyland : Disneyland ParkRed Rose Taverne For a limited time, the Village Haus Restaurant in Fantasyland has been transformed into the Red Rose Taverne, with a menu and decor inspired by the new live action Beauty and the Beast movie.
Mar. 10 - Apr. 16Disney California Adventure : Disneyland ResortDisney California Adventure Food and Wine Festival The expanded Food and Wine Festival will include even more Festival Marketplaces to enjoy this year, plus enhanced Festival-inspired menus at existing restaurants and eateries. Guests will enjoy culinary experiences created for the whole family, including a variety of food, beverage and lifestyle seminars, demonstrations and presentations. The Festival will also feature ticketed events, such as culinary demonstrations, beer, wine and spirit seminars, premium dining events and demonstrations by celebrity chefs such as Guy Fieri, Robert Irvine, Duff Goldman and Keegan Gerhard.
Mar. 16 - End date not yet announcedNew Orleans Square : Disneyland ParkPirates of the Caribbean Attraction 50th Anniversary To celebrate the 50th anniversary of Pirates of the Caribbean, special food and beverage items, pirate-themed entertainment and exclusive merchandise will be available starting on March 16. Participating restaurants include Blue Bayou, Cafe Orleans, Royal Street Veranda, Mint Julep Bar, Harbour Galley, and churro cart.
Apr. 01 - Apr. 16Resort Wide : Disneyland ResortEgg-stravaganza The popular egg-themed scavenger hunt will take place from April 1-16, 2017, at Disneyland park, Disney California Adventure park, and Downtown Disney District. Maps are $5.99, and can be purchased at select locations in each area. Maps, completed or not, can be redeemed for a character-themed Easter egg.
Apr. 20 - May. 31Hollywood Land : Disney California AdventurePirates of the Caribbean - Dead Men Tell No Tales Sneak Peak The preview of the new Pirates movie is being held in the Sunset Showcase Theater. There is a display of props and costumes in the lobby.

April 2021

Mar. 18 - April 5Disney California Adventure : Disneyland ResortA Touch of Disney Disneyland's "A Touch of Disney" event is a separately ticketed event in Disney California Adventure running Thursdays through Mondays from 12PM-8PM.