December 11
| [[{{#ifeq:11|1|{{#switch:{{#ifeq:12|1|12|{{#expr:12-1}}}} | 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:12-1}}}}
}} {{#switch:{{#ifeq:12|1|12|{{#expr:12-1}}}} |
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:12-1}}}}
}} |
{{#switch:12 | 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
}} {{#expr:11-1}}}}|yesterday]] |
[[{{#ifeq:11|{{#switch:12 | 1=31 | 2=29 | 3=31 | 4=30 | 5=31 | 6=30 | 7=31 | 8=31 | 9=30 | 10=31 | 11=30 | 12=31 | 12
}} |
12|1|{{#expr:12+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:12+1}}}}
}} 1|{{#switch:12 |
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
}} {{#expr:11+1}}}}|tomorrow]] | |||||
}
|- |[[{{#switch:{{#if:12| {{#switch:{{#expr: 12 + -1}} |0=12 |13=1 |{{#expr: 12 + -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:12| {{#switch:{{#expr: 12 + -1}} |0=12 |13=1 |{{#expr: 12 + -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:12 |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 }}]] |[[{{#switch:{{#if:12| {{#switch:{{#expr: 12 + 1}} |0=12 |13=1 |{{#expr: 12 + 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:12| {{#switch:{{#expr: 12 + 1}} |0=12 |13=1 |{{#expr: 12 + 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:12 |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|1]] |[[{{#switch:12 |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 }} 2|2]] |[[{{#switch:12 |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 }} 3|3]] |[[{{#switch:12 |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 }} 4|4]] |[[{{#switch:12 |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 }} 5|5]] |[[{{#switch:12 |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 }} 6|6]] |[[{{#switch:12 |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 }} 7|7]] |- |[[{{#switch:12 |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 }} 8|8]] |[[{{#switch:12 |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 }} 9|9]] |[[{{#switch:12 |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 }} 10|10]] |[[{{#switch:12 |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 }} 11|11]] |[[{{#switch:12 |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 }} 12|12]] |[[{{#switch:12 |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 }} 13|13]] |[[{{#switch:12 |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 }} 14|14]] |- |[[{{#switch:12 |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 }} 15|15]] |[[{{#switch:12 |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 }} 16|16]] |[[{{#switch:12 |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 }} 17|17]] |[[{{#switch:12 |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 }} 18|18]] |[[{{#switch:12 |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 }} 19|19]] |[[{{#switch:12 |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 }} 20|20]] |[[{{#switch:12 |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 }} 21|21]] |- |[[{{#switch:12 |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 }} 22|22]] |[[{{#switch:12 |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 }} 23|23]] |[[{{#switch:12 |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 }} 24|24]] |[[{{#switch:12 |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 }} 25|25]] |[[{{#switch:12 |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 }} 26|26]] |[[{{#switch:12 |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 }} 27|27]] |[[{{#switch:12 |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 }} 28|28]] |- |[[{{#switch:12 |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 }} 29|29]] |{{#ifeq:12|2||[[{{#switch:12 |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 }} 30|30]]}} |{{#ifeq:{{#if:| {{#switch:{{#expr: {{{monthoffset}}} + 0}} |0=12 |13=1 |{{#expr: {{{monthoffset}}} + 0}} }} |}}{{#if:12| {{#switch:12 |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:12 |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 }} 31|31]]|}} | colspan="4"| |}
{{#if:||}}
- 19?? — Adam Middleton (production assistant for Animated) is born.
- 1940 — André Luiz Chapéu (Brazillian voice of Ironhide, Shockwave, Quintessons and more) is born.
- 1954 — Writer Katherine Lawrence is born.
- 1956 — Gu-han Gang (Korean voice of Demolishor and Seymour Simmons) is born.
- 1967 — Peter Kelamis (voice of Mototron and Cybertron Wing Saber) is born. Kaioken!
- 1968 — Louis van Beek (Dutch voice of Prowl) is born.
- 1971 — Lee Jang-won (Korean voice of Starscream, Barricade, Glen Whitmann, Skids and Scalpel) is born.
- 1987 — The Headmasters episode "Fight to the Death on Planet Hive!!" premieres in Japan.
- 1991 — Celso Henrique (Brazilian voice of Tarn) is born.
- 1996 — Actress Hailee Steinfeld (Charlie Watson in Bumblebee) is born.
- 1999 — The Beast Machines episode "The Catalyst" premieres in the US.
- 2000 — The Beast Machines episode "Survivor" premieres in Germany.
- 2002 — The War Within #3 is released by Dreamwave Productions.
- 2003 — Takara releases the first of the Masterpiece line: MP-1 Convoy.
- 2003 — The Armada episode "Origin" premieres in the US.
- 2004 — The Beast Wars Returns episode "The Silence of Iron" premieres in Japan.
- 2009 — Pre-orders close for Gentei! Gentei! Dark Skyfire.
- 2010 — The Animated episode "Fanzone Goes to the Planet Cybertron" premieres in Japan.
- 2011 — The Prime episode "One Shall Fall" premieres in Italy.
- 2013 — Beast Hunters #8 and Monstrosity TPB are released by IDW Publishing.
- 2013 — Predacons Rising, a TV movie concluding Prime premieres in Latin America on Cartoon Network.
- 2013 — The Covenant of Primus is released by Becker & Mayer.
- 2014 — Sergio Fiorentini (Italian voice of the Narrator in Armada) dies at age 80.
- 2016 — The Robots in Disguise episode "Mini-Con Madness" premieres in Japan.
- 2018 — The Cyberverse episode "Maccadam's" premieres in Brazil.
- 2019 — The Definitive G1 Collection Volume 51: Chaos Theory is released by Hachette Partworks.
- 2022 — The HasLab Victory / Legacy Deathsaurus with Tigerchest and Eaglechest campaign reaches its end goal of 17,000 backers, unlocking the final tier and making everything available with just one day left to go.
- 2023 — EarthSpark begins distribution on U-NEXT in Japan.
- 2024 — Transformers #15 is released by Image Comics and Skybound Entertainment.
- 2025 — Episodes 16–18 of My Nezha and Transformers premiere on CCTV-14.