October 13
| [[{{#ifeq:13|1|{{#switch:{{#ifeq:10|1|12|{{#expr:10-1}}}} | 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:10-1}}}}
}} {{#switch:{{#ifeq:10|1|12|{{#expr:10-1}}}} |
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:10-1}}}}
}} |
{{#switch:10 | 1=January | 2=February | 3=March | 4=April | 5=May | 6=June | 7=July | 8=August | 9=September | 10=October | 11=November | 12=December | 10
}} {{#expr:13-1}}}}|yesterday]] |
[[{{#ifeq:13|{{#switch:10 | 1=31 | 2=29 | 3=31 | 4=30 | 5=31 | 6=30 | 7=31 | 8=31 | 9=30 | 10=31 | 11=30 | 12=31 | 10
}} |
12|1|{{#expr:10+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:10+1}}}}
}} 1|{{#switch:10 |
1=January | 2=February | 3=March | 4=April | 5=May | 6=June | 7=July | 8=August | 9=September | 10=October | 11=November | 12=December | 10
}} {{#expr:13+1}}}}|tomorrow]] | |||||
}
|- |[[{{#switch:{{#if:10| {{#switch:{{#expr: 10 + -1}} |0=12 |13=1 |{{#expr: 10 + -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:10| {{#switch:{{#expr: 10 + -1}} |0=12 |13=1 |{{#expr: 10 + -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:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }}]] |[[{{#switch:{{#if:10| {{#switch:{{#expr: 10 + 1}} |0=12 |13=1 |{{#expr: 10 + 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:10| {{#switch:{{#expr: 10 + 1}} |0=12 |13=1 |{{#expr: 10 + 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:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 1|1]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 2|2]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 3|3]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 4|4]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 5|5]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 6|6]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 7|7]] |- |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 8|8]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 9|9]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 10|10]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 11|11]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 12|12]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 13|13]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 14|14]] |- |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 15|15]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 16|16]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 17|17]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 18|18]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 19|19]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 20|20]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 21|21]] |- |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 22|22]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 23|23]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 24|24]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 25|25]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 26|26]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 27|27]] |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 28|28]] |- |[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 29|29]] |{{#ifeq:10|2||[[{{#switch:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 30|30]]}} |{{#ifeq:{{#if:| {{#switch:{{#expr: {{{monthoffset}}} + 0}} |0=12 |13=1 |{{#expr: {{{monthoffset}}} + 0}} }} |}}{{#if:10| {{#switch:10 |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:10 |1=January |2=February |3=March |4=April |5=May |6=June |7=July |8=August |9=September |10=October |11=November |12=December |10 }} 31|31]]|}} | colspan="4"| |}
{{#if:||}}
- 1923 — Henry Orenstein, the Hasbro employee who convinced the company to sell transforming Japanese robot toys, and who later invented the rubsign, is born.
- 1931 — Franz Rudnick (German voice actor during Generation 1) is born.
- 1932 — Ken Shiroyama (Japanese voice of Fight! Super Robot Lifeform Transformers 2010 cartoon Bombshell, Fireflight, Perceptor, and many more) is born.
- 1950 — Tsutomu Isobe (Japanese voice of Age of Extinction Lockdown) is born.
- 1951 — Eduardo Tejedo (Mexican voice of Daytrader and War for Cybertron Trilogy Shockwave) is born.
- 1959 — Dan DiDio, former Mainframe Entertainment executive, is born.
- 1962 — Martial Le Minoux (French voice of various characters including Air Raid in the War for Cybertron game and another Air Raid in the Dark of the Moon game) is born.
- 1964 — Masaya Onosaka (Japanese voice of Obsidian) is born.
- 1974 — Sébastien Reding (Canadian French voice director of Transformers One) is born.
- 1980 — Mami Fukai (voice of Miki) is born.
- 1980 — Artist Alex Milne is born.
- 1982 — Luo Yuting (Chinese voice of Raf Esquivel) is born.
- 1984 — The Transformers episode "Roll for It" premieres in the U.S.
- 1986 — The Transformers episode "Madman's Paradise" premieres in the U.S.
- 1990 — Tomasz Włosok (Polish voice of Noah Díaz) is born.
- 1991 — The Victory episode "The Power of Rage" premieres in Malaysia.
- 1993 — Kaito Ishikawa (voice of Q-Transformers Shockwave) is born.
- 1999 — The Beast Wars Metals episode "Enter the New Warriors! Snippity Snip, Sir!" airs in Japan.
- 2001 — The 2001 Robots in Disguise cartoon episode "Ultra Magnus: Forced Fusion!" premieres in the U.S.
- 2004 — G.I. Joe vs. the Transformers II #2 is released in the U.S. by Devil's Due Press.
- 2004 — Transformers: Energon #28 is released by Dreamwave Productions.
- 2005 — The Cybertron episode "Ice" premieres in the U.S.
- 2005 — Franz Rudnick passes away on his 74th birthday.
- 2007 — The Transformers live-action movie is released on IMAX in The Netherlands.
- 2008 — Transformers Animated — Volume Eins: Drachenkämpfer is released on DVD in Germany by Paramount Pictures.
- 2009 — The Animated episode "Transwarped Part 2" premieres in Latin America.
- 2010 — The Transformers #12, the Transformers: Prime graphic novel, and Bots of Science are released by IDW Publishing.
- 2011 — The first day of New York Comic Con 2011. Hasbro attends and sells the exclusive Prime "Bumblebee and Arcee, Includes Raf Esquivel and Jack Darby" multi-pack.
- 2012 — The Super Robot Lifeform Transformers Prime episode "Hopeful Transformation! Aim for Planet Cybertron" premieres in Japan.
- 2014 — Hub Network re-launches as Discovery Family, on which Hasbro programming only airs in the daytime.
- 2014 — Transformers Prime — Season 2 Vol. 2: Nemesis Prime and Transformers Prime — Season 2 Vol. 2: Nemesis Prime - Limited Edition are released to home media in the United Kingdom by Primal Screen.
- 2015 — Towa Pictures who distributes the Live-action film series in Japan starting with The Last Knight is founded.
- 2018 — The first day of the "Buzz Weekend" Bumblebee promotional event at Universal CityWalk in Los Angeles CA.
- 2018 — The Cyberverse episode "Cube" airs on Cartoon Network.
- 2018 — Transformers: Cyberverse episode "Fractured" premieres in Italy.
- 2019 — The Cyberverse episodes "Escape From Earth" and "Party Down"
- 2021 — Tread & Circuits #1 and King Grimlock #3 are released by IDW Publishing.
- 2023 — The "Fortnite Transformers Pack!" is released at retail.
- 2023 — Transformers: EarthSpark - Expedition is released for consoles and PC.
- 2024 — The French premiere of Transformers One in Paris, nine days before the release of the film in French theaters.
- 2024 — The Transformers: EarthSpark episode "Aftermath" premieres on YTV in Canada.