April 21st Events & Coupons

Auctions, Pop Ups and Marketplaces See All

Netflix Bites MGM Grand Las Vegas
Pop Ups and Vendor Markets | Feb 11, 2025 - Feb 20, 2026
United States > Nevada > Las Vegas > > 89109

Conventions, Live Shows and Fairs See All

Jaws: The Exhibition at The Academy Museum Celebrates 50th Anniversary of Iconic Killer Shark
Memorabilia Exhibition | Sep 14, 2025 - Jul 26, 2026
United States > California > Los Angeles > > 90036
Barbie to Anna Karenina: The Cinematic Worlds of Sarah Greenwood and Katie Spencer Exhibition at the Academy Museum
Memorabilia Exhibition | May 23, 2025 - Oct 25, 2026
United States > California > Los Angeles > > 90036

Milestones See All

Jaws: The Exhibition at The Academy Museum Celebrates 50th Anniversary of Iconic Killer Shark
Memorabilia Exhibition | Sep 14, 2025 - Jul 26, 2026
United States > California > Los Angeles > > 90036

April 21st In History

Auctions, Pop Ups and Marketplaces See All

Windy City Pulp and Paper Convention
Comic Cons | Apr 21 - Apr 23, 2023
United States > Illinois > Lombard > > 60148

Contests and Giveaways See All

Enter the My Nintendo Universal Epic Universe Super Nintendo World Sweepstakes
Gaming Contests | Mar 4 - Jun 30, 2025
United States > Florida > Orlando > > 32819

Firsts, Starts and Openings See All

Little Richard: I Am Everything
Television/Streaming Premiere | Apr 21, 2023
Judy Blume Forever
Television/Streaming Premiere | Apr 21, 2023

Fundraisers See All

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Verne Troyer
Deaths | Apr 21, 2018
Sophie Rundle
Birthdays | Apr 21, 1988

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Social and Cultural Events See All

FreakNik
Concerts | Apr 19 - Apr 21, 1996
FreakNik
Concerts | Apr 21 - Apr 23, 1995

Frightmare in the Falls | Horror Conventions | Oct 25 - Oct 26, 2025

Frightmare in the Falls

Horror Conventions | Oct 25 - Oct 26, 2025

Niagara Falls Convention Centre

Canada > Ontario > Niagara Falls > > L2G 3Y9

Frightmare in the Falls is Canada’s largest horror convention. The annual event takes place at the Niagara Falls Convention Centre in majestic Niagara Falls, Canada. The event features more than 100,000 square feet of all things horror including celebrities, vendors, panels, displays, photo ops, cosplay and more. Attractions for 2025 include Terrifier 3 & Ghostbusters Pop-Up Exhibitions and a Cult Horror Movie Museum Pop-Up Exhibition, along with the original Ecto-1 vehicle from Ghostbusters.

Guests for the 2025 edition of Frightmare in the Falls include Richard Dreyfuss, David Arquette, Sean Cunningham, Bill Moseley, Michael Berryman, Jeff Daniel Phillips, Richard Brake, Dee Wallace, Henry Thomas, Robert Macnaughton, Matthew De Meritt, Tom Atkins, Stacey Nelkin, Kimberly J. Brown, Daniel Kountz, Judith Hoag, Jeffrey Kramer, Jeffrey Voorhees, Stephen & Jonathan Searle, Carla Hogendyk, Bobby Mcfarlane, Mike Giannelli, Miko Hughes, Jonathan Breck, John Franklin, Alex Vincent, Christine Elise, Joseph Whipp, Ellen Lutter, Judie Aronson, Douglas Tait, Mathieu Coderre, Thomas Lorber, Jackson Robert Scott, Robert Mukes, Bai Ling, Brooke Theiss, Yoson An, Mitch Markowitz, Jake “The Snake” Roberts, Stephen Ouimette, Alyson Court, Antonella Rose, Andrea Subissati, Marley Shelton and Daniel Roebuck.