In context
- When
- Friday, September 27 199135 years ago
- Category
- BirthA notable person born on this day. Each links to a person page with their dates and story.
- Era
- 20th century · 1990s
- Recorded from
- Wikipedia “On this day” feed
- Person
- Thomas Mann (actor)
At a glance
Born 1991-09-27.
Who they were
Thomas Mann is an American actor. After making his film debut with a supporting role in It's Kind of a Funny Story (2010), Mann had his breakout with a lead role in the found footage teen comedy film Project X (2012).
Early life
Early life Mann was born in Portland, Oregon , and grew up in Dallas , Texas. [ 1 ] [ 2 ] His father is a construction project manager, and his mother is a nurse. [ 3 ] Mann attended Plano East Senior High School briefly before moving to California at the age of 17 to pursue acting. [ 4 ] ^ Baker, Jeff (April 28, 2014). "18 actors you (maybe) didn't know were from Portland" . oregonlive . Retrieved August 9, 2026 .
Path and career
Career Early work In 2009, Mann made his acting debut on the Nickelodeon sitcom television series iCarly portraying the role of Jeffrey. Later in the year, Mann appeared in The Middle portraying the role of Brendan Nichols. [ 1 ] In 2010, Mann was cast as the protagonist in the comedy film Project X . [ 2 ] Mann was told he could not audition because producers only wished to cast people without acting credits; Mann was ultimately given the role after auditioning 7 times. [ 3 ]
Why this date
Thomas Mann (actor) appears on our September 27 calendar for 1991 as a birth entry.
September 27 through the years
Other entries on the same calendar day, in order.
- 1991Thomas Mann (actor)
- 2001Zug massacre
- 2003SMART-1
- 2007Dawn (spacecraft)
- 2008Zhai Zhigang
- 2012Minneapolis firm shooting
- 2014Mount Ontake
- 20142014 Mount Ontake eruption
- 2019September 2019 climate strikes
- 2020Second Nagorno-Karabakh War
- 2024Hurricane Helene
Also in 1991
- September 9TajikistanTajikistan declares independence from the Soviet Union.
- September 11Continental Express Flight 2574Continental Express Flight 2574 crashes in Colorado County, Texas, near Eagle Lake, killing 11 passengers and three crew.
- March 14EscondidaEscondida, one of the most productive copper mines in the world, was officially inaugurated.
- September 12Space Shuttle DiscoveryNASA launches Space Shuttle Discovery on STS-48 to deploy the Upper Atmosphere Research Satellite.
- September 17EstoniaEstonia, North Korea, South Korea, Latvia, Lithuania, the Marshall Islands and Micronesia join the United Nations.
- September 17LinuxThe first version of the Linux kernel (0.01) is released to the Internet.
- September 5Indigenous and Tribal Peoples Convention, 1989The current international treaty defending indigenous peoples, Indigenous and Tribal Peoples Convention, 1989, comes into force.
- October 201991 Uttarkashi earthquakeAn earthquake struck the Indian state of Uttarakhand, killing at least 768 people and destroying thousands of homes.
Sources
- Wikipedia article (text, CC BY-SA 4.0)
- Licence: CC BY-SA 4.0 for adapted text · how we source this
Cite this page
“Thomas Mann (actor)”, What's On This Date, https://whatsonthisdate.com/app/event/thomas-mann-actor-1991-september-27, accessed October 28, 2026.
Cite the underlying source as well — the source links above go to the record this entry is adapted from.
Questions about this entry
When did Thomas Mann (actor) happen?
September 27 1991 — 35 years ago, on a Friday.
Where does this text come from?
Wikipedia “On this day” feed. Summaries are short adaptations that link back to the source, not reprints.
How do I cite this page?
Use the ready-made citation near the sources at the bottom of the page, and follow the source link to cite the underlying record as well.
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