This is a listing of events from in-show, fandom, et cetera, for Randy Cunningham: 9th Grade Ninja, the series.
January[]
- January 18 = Norrisville-Ninja Day (from "Lucius O'Thunderpunch")
- January 29 = Princess Aurora's Birthday (Première of Walt Disney's Sleeping Beauty)
February[]
- February 1 = McFist Industries/McSquiddles Anniversary (and NomiRandy's, from "McOne Armed and Dangerous" and "Shloomp! There It Is!")
- February 22 = Japan Ninja Day
March[]
- March 18 = NHS Spirit Day (from "Evil Spirit Week")
April[]
- April 12 = Disneyland Paris Opens
- April 15 = Tokyo Disneyland Opens
- April 22 = "It's a Small World" Opens at the 1964 New York World's Fair
- 2014: It's a Small World 50th Anniversary
- 2024: It's a Small World 60th Anniversary
May[]
- May 18 = Howard's Birthday (from "The Space Cow-Bros")
- May 28 = It's a Small World Opens at Disneyland. This marked the 1st time a version of that attraction opened at a Disney Park.
June[]
- June 9 = National Donald Duck Day (Donald Duck premières June 9, 1934 in "The Wise Little Hen")
- June 27 = Carp Week/Month (Fandom Events from Tumblr)
July[]
- July 17 = Disneyland Opens
- July 20 = Ninja-Ball (Fandom Events from Tumblr)
August[]
- August 13 = Ninja-versary (The anniversary of the show's first premiere in 2012)
- August 26 = Cluck-Fest (from "McFear Factor")
September[]
- September 15 = Ben Schwartz's Birthday
- September 30 = Julian's Birthday (and Evil Julian's, from "Julian's Birthday Surprise")
October[]
- October 1 = Walt Disney World Opens
- 1971: Magic Kingdom Opens
- 1982: EPCOT Opens
- October 16 = The Walt Disney Company (the owners of Disney XD) was founded.
- October 31 = Halloween (as depicted in "Dawn of the Driscoll," "Night of the Living McFizzles," "Let the Wonk One In," and "The Curse of Mudfart")
November[]
November: Ninja-vember (Fandom Events from Tumblr, a November art challenge)
- November 4 = Acorn Day (Fandom Events from Tumblr)
- November 18 = Mickey and Minnie Mouse's Birthday
- November 25 = "It's A Small World" Holiday premiere at Disneyland
- November 28 = Earliest possible date for the beginning of Hanukkah; the latest possible date is December 27. "Happy Hanukkah, Howard Weinerman!" probably takes place sometime in December, close to Christmas.
December[]
- December 5 = Walt Disney's Birthday
- December 5 = International Ninja Day
- December 25 = Christmas (as depicted in "Silent Punch, Deadly Punch" and "Happy Hanukkah, Howard Weinerman!")