April 17
| [[{{#ifeq:17|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:17-1}}}}|yesterday]] |
[[{{#ifeq:17|{{#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:17+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:||}}
- ???? — Hiroaki Okuda (Japanese voice of Ransack) is born.
- ???? — Japanese voice actress Aino Shimada is born.
- 1924 — Artist Earl Norem is born.
- 1942 — Helga Sasse (German voice of Tova Anael Fischer) is born.
- 1954 — Norio Imamura (Japanese voice of Gaskunk) is born.
- 1956 — Han Li (Chinese voice of Megatron and voice director of Beast Wars and Beast Machines) is born.
- 1962 — Ola Norman (Swedish voice of Hot Shot) is born.
- 1967 — Takaya Kuroda (Japanese voice of Cybertron Starscream) is born.
- 1967 — Sławomir Pacek (Polish voice of Optimus Prime in the live-action film series since Age of Extinction) is born.
- 1973 — Renato Soares (Brazilian voice of Meltdown and Boulder) is born.
- 1975 — Sepuh Apikian (Armenian voice of Optimus Prime and more) is born.
- 1976 — Monet Mazur (voice of Astraea) is born.
- 1987 — The Fight! Super Robot Lifeform Transformers 2010 episode "The Quintessons, the Merchants of Death" airs in Japan.
- 1988 — Rodrigo Contreras (Chilean voice of Wasp) is born.
- 1991 — Tiana Camacho (voice of EarthSpark Frenzy) is born.
- 2006 — The third show in the Kiss Players radio drama series airs in Japan on the "Lyrian Moe-tchao" program.
- 2008 — "Force of Habit" is released through the Fun Publications Official Transformers Collectors' Club website.
- 2010 — The Animated episode "Secret of the AllSpark" debuts in Japan.
- 2013 — Robots in Disguise #16 and Volume 3 TPB are released by IDW Publishing.
- 2016 — The Robots in Disguise episodes "Cover Me" and "Brainpower" premieres in France.
- 2019 — Transformers #3 is released by IDW Publishing.
- 2019 — Transformers: The Definitive G1 Collection Volume 48: Revenge of the Decepticons is released by Hachette Partworks.
- 2021 — TakaraTomy releases Generations Selects Abominus as a TakaraTomy Mall exclusive.
- 2021 — The Rescue Bots Academy episodes "Medix Gets Schooled" and "Rescue TEENS" premieres in the United States.
- 2024 — Cobra Commander #4 is released by Image Comics and Skybound Entertainment.
- 2025 — The Supreme x Transformers Optimus Prime Collaboration goes up for sale.
- 2025 — The first wave of the Transformers: Cyberworld toyline go up for preorder.
- 2025 — The Transformers Earthspark Smash Changers Jawbreaker and Twitch are revealed by Amazon.
- 2025 — Henry König (German voice of Tigatron) dies at age 88.