April 1
| [[{{#ifeq:1|1|{{#switch:{{#ifeq:4|1|12|{{#expr:4-1}}}} | 1=January | 2=February | 3=March | 4=April | 5=May | 6=June | 7=July | 8=August | 9=September | 10=October | 11=November | 12=December | 1|12|{{#expr:4-1}}}}
}} {{#switch:{{#ifeq:4|1|12|{{#expr:4-1}}}} |
1=31 | 2=29 | 3=31 | 4=30 | 5=31 | 6=30 | 7=31 | 8=31 | 9=30 | 10=31 | 11=30 | 12=31 | 1|12|{{#expr:4-1}}}}
}} |
{{#switch:4 | 1=January | 2=February | 3=March | 4=April | 5=May | 6=June | 7=July | 8=August | 9=September | 10=October | 11=November | 12=December | 4
}} {{#expr:1-1}}}}|yesterday]] |
[[{{#ifeq:1|{{#switch:4 | 1=31 | 2=29 | 3=31 | 4=30 | 5=31 | 6=30 | 7=31 | 8=31 | 9=30 | 10=31 | 11=30 | 12=31 | 4
}} |
12|1|{{#expr:4+1}}}} | 1=January | 2=February | 3=March | 4=April | 5=May | 6=June | 7=July | 8=August | 9=September | 10=October | 11=November | 12=December | 12|1|{{#expr:4+1}}}}
}} 1|{{#switch:4 |
1=January | 2=February | 3=March | 4=April | 5=May | 6=June | 7=July | 8=August | 9=September | 10=October | 11=November | 12=December | 4
}} {{#expr:1+1}}}}|tomorrow]] | |||||
}
|- |[[{{#switch:{{#if:4| {{#switch:{{#expr: 4 + -1}} |0=12 |13=1 |{{#expr: 4 + -1}} }} |}}{{#if:| {{#switch:{{{daysinmonth}}} |1=31 |2=29 |3=31 |4=30 |5=31 |6=30 |7=31 |8=31 |9=30 |10=31 |11=30 |12=31 | }}|}}{{#if:|{{#ifeq:{{#expr: ({{{isnextmonth}}} + -1) > Template:Cal-date/offset2 }}|1|1|}}|}}{{#if:|{{#ifeq:{{#expr: ({{{isprevmonth}}} + -1) < 1}}|1|1|}}|}}{{#if:|{{#if:Template:Cal-date/offset2Template:Cal-date/offset2|Template:Cal-date/offset2|{{{getoffsetmonth}}}}}|}}{{#if:|{{#if:Template:Cal-date/offset2Template:Cal-date/offset2|{{#if:Template:Cal-date/offset2|Template:Cal-date/offset2|1}}|pew{{#expr: {{{getoffsetday}}} + -1}}}}|}} |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |{{#if:4| {{#switch:{{#expr: 4 + -1}} |0=12 |13=1 |{{#expr: 4 + -1}} }} |}}{{#if:| {{#switch:{{{daysinmonth}}} |1=31 |2=29 |3=31 |4=30 |5=31 |6=30 |7=31 |8=31 |9=30 |10=31 |11=30 |12=31 | }}|}}{{#if:|{{#ifeq:{{#expr: ({{{isnextmonth}}} + -1) > Template:Cal-date/offset2 }}|1|1|}}|}}{{#if:|{{#ifeq:{{#expr: ({{{isprevmonth}}} + -1) < 1}}|1|1|}}|}}{{#if:|{{#if:Template:Cal-date/offset2Template:Cal-date/offset2|Template:Cal-date/offset2|{{{getoffsetmonth}}}}}|}}{{#if:|{{#if:Template:Cal-date/offset2Template:Cal-date/offset2|{{#if:Template:Cal-date/offset2|Template:Cal-date/offset2|1}}|pew{{#expr: {{{getoffsetday}}} + -1}}}}|}} }}|«]] | colspan="5" align="center"| [[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }}]] |[[{{#switch:{{#if:4| {{#switch:{{#expr: 4 + 1}} |0=12 |13=1 |{{#expr: 4 + 1}} }} |}}{{#if:| {{#switch:{{{daysinmonth}}} |1=31 |2=29 |3=31 |4=30 |5=31 |6=30 |7=31 |8=31 |9=30 |10=31 |11=30 |12=31 | }}|}}{{#if:|{{#ifeq:{{#expr: ({{{isnextmonth}}} + 1) > Template:Cal-date/offset2 }}|1|1|}}|}}{{#if:|{{#ifeq:{{#expr: ({{{isprevmonth}}} + 1) < 1}}|1|1|}}|}}{{#if:|{{#if:Template:Cal-date/offset2Template:Cal-date/offset2|Template:Cal-date/offset2|{{{getoffsetmonth}}}}}|}}{{#if:|{{#if:Template:Cal-date/offset2Template:Cal-date/offset2|{{#if:Template:Cal-date/offset2|Template:Cal-date/offset2|1}}|pew{{#expr: {{{getoffsetday}}} + 1}}}}|}} |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |{{#if:4| {{#switch:{{#expr: 4 + 1}} |0=12 |13=1 |{{#expr: 4 + 1}} }} |}}{{#if:| {{#switch:{{{daysinmonth}}} |1=31 |2=29 |3=31 |4=30 |5=31 |6=30 |7=31 |8=31 |9=30 |10=31 |11=30 |12=31 | }}|}}{{#if:|{{#ifeq:{{#expr: ({{{isnextmonth}}} + 1) > Template:Cal-date/offset2 }}|1|1|}}|}}{{#if:|{{#ifeq:{{#expr: ({{{isprevmonth}}} + 1) < 1}}|1|1|}}|}}{{#if:|{{#if:Template:Cal-date/offset2Template:Cal-date/offset2|Template:Cal-date/offset2|{{{getoffsetmonth}}}}}|}}{{#if:|{{#if:Template:Cal-date/offset2Template:Cal-date/offset2|{{#if:Template:Cal-date/offset2|Template:Cal-date/offset2|1}}|pew{{#expr: {{{getoffsetday}}} + 1}}}}|}} }}|»]] |- |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 1|1]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 2|2]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 3|3]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 4|4]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 5|5]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 6|6]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 7|7]] |- |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 8|8]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 9|9]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 10|10]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 11|11]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 12|12]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 13|13]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 14|14]] |- |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 15|15]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 16|16]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 17|17]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 18|18]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 19|19]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 20|20]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 21|21]] |- |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 22|22]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 23|23]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 24|24]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 25|25]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 26|26]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 27|27]] |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 28|28]] |- |[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 29|29]] |{{#ifeq:4|2||[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 30|30]]}} |{{#ifeq:{{#if:| {{#switch:{{#expr: {{{monthoffset}}} + 0}} |0=12 |13=1 |{{#expr: {{{monthoffset}}} + 0}} }} |}}{{#if:4| {{#switch:4 |1=31 |2=29 |3=31 |4=30 |5=31 |6=30 |7=31 |8=31 |9=30 |10=31 |11=30 |12=31 | }}|}}{{#if:|{{#ifeq:{{#expr: ({{{isnextmonth}}} + 0) > Template:Cal-date/offset2 }}|1|1|}}|}}{{#if:|{{#ifeq:{{#expr: ({{{isprevmonth}}} + 0) < 1}}|1|1|}}|}}{{#if:|{{#if:Template:Cal-date/offset2Template:Cal-date/offset2|Template:Cal-date/offset2|{{{getoffsetmonth}}}}}|}}{{#if:|{{#if:Template:Cal-date/offset2Template:Cal-date/offset2|{{#if:Template:Cal-date/offset2|Template:Cal-date/offset2|1}}|pew{{#expr: {{{getoffsetday}}} + 0}}}}|}}|31|[[{{#switch:4 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |4 }} 31|31]]|}} | colspan="4"| |}
{{#if:||}}
- Every year — April Fools' Day.
- 19?? — Colorist Val Staples is born.
- 19?? — Mau Pérez (Mexican voice of Predacon Megatron in War for Cybertron Trilogy and also Cyclonus and Grimlock) is born.
- 1922 — KB Toys is founded, originally named Kay Bee Toys.
- 1950 — Hubert Drac (French voice of Red Alert in the 2004 Armada video game) is born.
- 1958 — Robert Missler (German voice of Rattrap) is born.
- 1964 — Marvel Comics letterer Bill Oakley is born.
- 1965 — Thomas Schmuckert (German voice of Chase, Denny Clay, War for Cybertron Trilogy Red Alert and more) is born.
- 1968 — Composer Cher Watanabe is born.
- 1974 — Hyeon Gyeongsu (Korean voice of Isaac Sumdac in Animated) is born.
- 1976 — Troy Baker (voice of Jetfire, Zeta Prime, Jazz, Kickback, Steeljaw, Shockwave and more) starts his legend in the 20th century.
- 1979 — Nickelodeon makes its debut onto the airwaves.
- 1980 — Angela Brusa (Italian voice of Airachnid) is born.
- 1984 — Musician Marvin Gaye is assassinated at age 44 just one day short of his 45th birthday.
- 1997 — The Beast Wars episode "Other Voices, Part 2" premieres in the US.
- 1998 — The Beast Wars II cartoon premieres in Japan with the episode "The New Forces Arrive!".
- 2003 — Rooster Teeth is founded.
- 2003 — Ito Yokaido stores offer the "Street Speed Overdrive Edition" Microns (Auto, Nitro, Sieg), one free with the purchase of any Legends of the Microns product.
- 2006 — The Cybertron episode "United" premieres in the US.
- 2008 — "Shattered Expectations" is revealed to be an April Fools' joke. Many souls are crushed.
- 2009 — Maximum Dinobots #4, "Spotlight: Jazz" and Best of UK: City of Fear #3 are released by IDW Publishing.
- 2012 — Dark of the Moon was nominated for eight [[wikipedia:{{#if:|:}}Golden Raspberry Award|{{#if:Razzies|Razzies|Golden Raspberry Award}}]], but did not win any. We can let you know, that it was not an April Fools Joke.
- 2014 — Tubi is launched.
- 2014 — Cartoon Network TOO is shut down and replaced with Cartoon Network +1, a 1-hour timeshift of Cartoon Network.
- 2015 — The Robots in Disguise episode "Sideways" premieres in Hungary and Poland.
- 2015 — The Rescue Bots entire second season premieres in Brazil on Netflix.
- 2016 — Rescue Bots: "Land Before Prime" is released on DVD by Beyond Home Entertainment in Australia.
- 2017 — TakaraTomy releases Masterpiece MP-36 Megatron.
- 2019 — Bumblebee gets released on VHS.
- 2020 — Transformers: The Definitive G1 Collection Volume 92: Transformers: The Movie is released by Hachette Publishing.
- 2023 — During the 2023 NCAA Men’s Final Four, Optimus Prime and Optimus Primal make appearances during the game to promote Transformers: Rise of the Beasts in what may be the very first-ever live mixed-reality TV spot.
- 2023 — The EarthSpark episode "Secret Legacy, Part 1" premieres in Cantonese.
- 2024 — Final day to pre-order the Super Groupies x Transformers Collaboration.
- 2024 — J-Pop group Sexy Zone is now renamed "timelesz".
- 2026 — TakaraTomy uploads the "Business Trip! Wild King Research Institute - Episode 9 -" to YouTube.