MST3K-related events that happened in April

DateEvents
11929 – Jonathan Haze born (It Conquered the World, Teenage Caveman, Viking Women vs. the Sea Serpent, Swamp Diamonds, Gunslinger)
1956 – Swamp Diamonds premiered
21989 – Time of the Apes 0K17 originally aired
3
41998 – Puma Man 0903 originally aired
51916 – Gregory Peck born (Space Travelers)
1997 – The She Creature 0808 originally aired
61938 – Roy Thinnes born (Code Name: Diamond Head)
1968 – Mighty Jack premiered
71915 – Stanley Adams born (High School Big Shot)
1928 – Bryant Haliday born (Devil Doll, The Projected Man)
2021 – #MakeMoreMST3K Kickstarter launched
8
91923 – Arthur Batanides born (The Unearthly, The Leech Woman)
10
111999 – Soultaker 1001 originally aired
12
131935 – Lyle Waggoner born (Catalina Caper)
141918 – Takashi Kanda born (Prince of Space, Invasion of the Neptune Men)
2017 – Season 11 premiered on Netflix
151966 – Women of the Prehistoric Planet premiered
161960 – Horrors of Spider Island premiered
171930 – Venantino Venantini born (Final Justice)
1951 – Olivia Hussey born (Quest of the Delta Knights)
1966 – Gamera vs. Barugon premiered
181998 – Werewolf 0904 originally aired
1999 – Girl in Gold Boots, The 1002 originally aired
191933 – Jayne Mansfield born (The Loves of Hercules)
1996 – Mystery Science Theater 3000: The Movie premiered
1997 – I Was a Teenage Werewolf 0809 originally aired
201967 – Operation Double 007 premiered
21
221894 – Rondo Hatten born (The Brute Man)
1909 – Ralph Byrd born (Jungle Goddess, Radar Secret Service)
1976 – Rebecca Hanson born (Gypsy/Synthia)
231939 – Lee Majors born (The Last Chase, Killer Fish)
241933 – Uldis Lieldidzs born (Humanoid Woman)
251968 – Girl in Gold Boots premiered
1999 – Future War 1004 originally aired
261967 – Catalina Caper premiered
271931 – Robert Donner born (Catalina Caper)
1984 – Warrior of the Lost World premiered
281941 – Ann-Margret born (Kitten with a Whip)
1967 – The Deadly Bees premiered
291912 – Richard Carlson born (Tormented)
1977 – Legend of the Dinosaurs premiered 
301938 – Gary Collins born (Hangar 18, Killer Fish)