Paul Di Filippo

The advent of AIDS circa 1980 has really forced medicine and biology to take enormous steps just for sheer survival. The same way war propels hard technology, AIDS has created wartime conditions in the field of biology that will have all sorts of spin-offs.

American Writer

Ricky Reed

When I started trying to produce records for other people, one of the first tracks I wrote and produced was sort of a 'Kelly Clarkson circa 2008,' kind of big-brassy, guitar-pop, rock song. I was like, 'I can do this. I can make pop songs.' It was bad.

American Musician

Kirsten Prout

I like sundresses with cowboy boots, little shorts with big wedge heels and a big piece of turquoise. I also love classic, Old Hollywood romantic styles. I'm 'country girl meets city girl' circa 1930.

Canadian Actress

Gregory Smith

When I was 16, I was in a film called 'The Patriot.' I spent every second I could on the set watching the director and his team bring America circa 1775 to life. From that moment on, I was hooked.

Canadian Actor

Mark V. Hurd

My daughter's got a smartphone in her hand with roughly the same power as a mainframe circa 1982, and she's running around Beijing and wants an answer as fast as she can.

American Businessman

Heavy D

The hardest thing for an artist to do is to let go. I don't wanna be the dude - if you come to my house, there are no pictures circa '86 in my house.

Jamaican Musician

Jocelyn Bell Burnell

When I became a professor of physics circa 1991, I doubled the number of female professors of physics in the U.K.

Irish Scientist

Ron Fournier

I'm hearing echoes of Bill Clinton, circa 1996, in President Obama's reelection rhetoric.

American Journalist

Andy Jassy

When you experience great voice apps, it makes tapping on an app so circa 2005.

Michael Wolff

The Steve Bannon I know - I locate Steve's politics as a Democrat circa 1962.

American Author

Use 'circa' when exact dates are unknown or an estimate is intended.

Not for Precision

'Circa' is often used in history and archaeology to indicate an approximate time period.

Common in History

While 'circa' can be used informally, it's less common in everyday conversation.

Non-technical Contexts

In historical and academic contexts, 'circa' adds a formal tone to discussions about dates.

Academic Tone

Do not use 'circa' if a date or event is known with certainty.

Avoid Exactness

'Circa' can imply a range of a few years before or after the stated date.

Imprecise Ranges

 From the resin producers to the brands to the consumers, everyone gets to see who is playing the game, who is protecting the Earth, and who doesn't care. And that'll cost about a million dollars a week, and we're going to underwrite that for five years. Total contribution is circa 300 million US dollars. Wow.

A radical plan to end...

 produced by manika wilhelm elana strauss brian gutierrez laura sim and jacob pinter our senior producer is carlo wills our senior editor is eli chen our executive producer of audio is devar artelon our fact checkers are julie beer and robin palmer thanks to karen circa for

The Surprising...

 fact checkers are robin palmer and julie beer our copy editor is amy kolczak hansdale sue composed our theme music and engineers our episodes thanks to karen circa for archival research and for providing the recording of jacques cousteau heard in this episode

The Real-Life MacGyver...

 They just finished their Kenyan certificate of secondary education. That name should tell you that the Kenyan education system borrows almost everything from Britain, circa 1950, but has managed to make it even worse. So there are schools in slums like this.

Charles Leadbeater:...

 Everything that the film was, was all the things that CG animation was then terrible at. It was full of humans, which, they were the weakest thing in CG animation, if you look at humans circa that time. Pixar films had only had humans as minor characters.

The creative power of...

 And then we stuck them under the steps. So, they became this very physical, simple reappropriation, or like a portal to these other icons. So you might see Versailles or Shackleton's Hut. Basically, it's virtual reality circa 1955.

An Internet Without...

 mentions male shamans marrying women. The Boxer Codex, circa 1590, provide clues on the nature of the male babaylan sexuality. It says, "Ordinarily they dress as women,

The gender-fluid history...

 like, legal freedoms and rights. Yeah, so, like, basically, I'm planning on becoming a lawyer. Right, class. So these next two modules are also circa 2016.

Sarah Jones: One woman,...

 This is Tim Ferriss circa 1979 A.D. Age two. You can tell by the power squat, I was a very confident boy -- and not without reason.

Smash fear, learn...

 that was done circa 1509. It is at the Vatican. This grand group portrait is the exact same size as Rafael's "School of Athens."