May 13
| [[{{#ifeq:13|1|{{#switch:{{#ifeq:5|1|12|{{#expr:5-1}}}} | 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:5-1}}}}
}} {{#switch:{{#ifeq:5|1|12|{{#expr:5-1}}}} |
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:5-1}}}}
}} |
{{#switch:5 | 1=January | 2=February | 3=March | 4=April | 5=May | 6=June | 7=July | 8=August | 9=September | 10=October | 11=November | 12=December | 5
}} {{#expr:13-1}}}}|yesterday]] |
[[{{#ifeq:13|{{#switch:5 | 1=31 | 2=29 | 3=31 | 4=30 | 5=31 | 6=30 | 7=31 | 8=31 | 9=30 | 10=31 | 11=30 | 12=31 | 5
}} |
12|1|{{#expr:5+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:5+1}}}}
}} 1|{{#switch:5 |
1=January | 2=February | 3=March | 4=April | 5=May | 6=June | 7=July | 8=August | 9=September | 10=October | 11=November | 12=December | 5
}} {{#expr:13+1}}}}|tomorrow]] | |||||
}
|- |[[{{#switch:{{#if:5| {{#switch:{{#expr: 5 + -1}} |0=12 |13=1 |{{#expr: 5 + -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:5| {{#switch:{{#expr: 5 + -1}} |0=12 |13=1 |{{#expr: 5 + -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:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }}]] |[[{{#switch:{{#if:5| {{#switch:{{#expr: 5 + 1}} |0=12 |13=1 |{{#expr: 5 + 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:5| {{#switch:{{#expr: 5 + 1}} |0=12 |13=1 |{{#expr: 5 + 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:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 1|1]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 2|2]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 3|3]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 4|4]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 5|5]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 6|6]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 7|7]] |- |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 8|8]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 9|9]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 10|10]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 11|11]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 12|12]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 13|13]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 14|14]] |- |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 15|15]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 16|16]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 17|17]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 18|18]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 19|19]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 20|20]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 21|21]] |- |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 22|22]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 23|23]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 24|24]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 25|25]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 26|26]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 27|27]] |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 28|28]] |- |[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 29|29]] |{{#ifeq:5|2||[[{{#switch:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 30|30]]}} |{{#ifeq:{{#if:| {{#switch:{{#expr: {{{monthoffset}}} + 0}} |0=12 |13=1 |{{#expr: {{{monthoffset}}} + 0}} }} |}}{{#if:5| {{#switch:5 |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:5 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |5 }} 31|31]]|}} | colspan="4"| |}
{{#if:||}}
- 1927 — Gernot Duda (German voice of Generation 1 Megatron and Grimlock as well as other brief roles) is born.
- 1936 — Miguel Ángel Sanromán (Latin-American Spanish voice of Blix and voice director of Beast Wars) is born.
- 1944 — Hiroyuki Hoshiyama (writer for the Super-God Masterforce and Victory cartoons) is born.
- 1946 — Writer Marv Wolfman is born.
- 1950 — Eom Joo-hwan (Korean voice of Hot Rod/Rodimus Prime and Unicron) is born.
- 1951 — Dieter Memel (German voice of Grimlock, Swindle, Hammerstrike and Stockade) is born.
- 1956 — Kirk Thornton (voice of Dr. Onishi and Shadelock) is born.
- 1961 — Pierluigi Astore (Italian voice of Bruticus, Ironhide, Megatron, Optimus Prime and Ultra Magnus) is born.
- 1969 — Margeaux Pepoy (inker for Devil's Due Press) is born in Michigan.
- 1978 — Junji Majima (voice of Sensuimaru) is born.
- 1985 — Alex Minei (Brazilian voice of Raf Esquivel, Angry Cheese, Wishy-Waffley, and Merchant app) is born.
- 1986 — Óscar Garibay (Mexican voice of Teletraan-1 and Breakdown) is born.
- 1989 — Denisse Aragón (Mexican voice of V.A.L.) is born.
- 1989 — Xavier Sol (Mexican voice of the Announcer Bot in Transformers One) is born.
- 1998 — The Beast Wars II episode "The Insect Corps Arrive" premieres in Japan.
- 2004 — Takara releases Super Link SD-12 Dinobot and SD-13 Shadowhawk Limited Cosmo Type.
- 2011 — The Silver Bumblebee toy is given away as part of a "Midnight Madness" event (leading into May 14) at Toys"R"Us stores in mainland China, Hong Kong, Singapore, Taiwan, Malaysia, and Thailand.
- 2015 — More than Meets the Eye Volume 7 TPB is released by IDW Publishing.
- 2016 — "Life Finds a Way" is released by Fun Publications.
- 2016 — The Robots in Disguise episode "Graduation Exercises" premieres in Hungary.
- 2017 — The Robots in Disguise episode "Blurred" premieres on Cartoon Network.
- 2020 — Transformers: The Definitive G1 Collection Volume 95: G.I. Joe vs. Transformers, Part 1 is released by Hachette Publishing.
- 2021 — Transformers Generations issue "Scorching Heat Showdown" is first published by Hero-X.
- 2022 — Hasbro Pulse posts an update on by uploading a 40 minute in depth video with Evan Brooks on the HasLab Victory Saber.
- 2022 — Hasbro Pulse reveals the Wreck N' Rule Collection Diaclone Universe Twin Twist.
- 2023 — The EarthSpark episode "Friends and Family" premieres in Cantonese.
- 2024 — Transformers Go! Go! Extra Volume is released.
- 2026 — Transformers #32 is released by Image Comics and Skybound Entertainment.