When his brother Gummo died Groucho's health was so bad that he was never told this news, it was felt this could damage him even more.
Groucho Glasses, or beaglepuss, are a novelty item based on the stage make-up of Groucho Marx: they usually comprise black horn-rimmed glasses with attached eyebrows, large plastic nose and bushy moustache. They are considered one of the most iconic and widely used of all novelty items and have been marketed since the early 1940s.
When the Republic of Abkhazia (part of the former Soviet Republic of Georgia) issued two stamps with Marx & Lennon, they used Groucho and John instead of Karl and Vladimir.
On behalf of the Marx Brothers, Groucho accepted an Honorary Academy Award in 1974.
Early in life, he wanted to be a doctor, but the family's need for money forced him into show business.
Groucho's hit TV show You Bet Your Life was on radio for four years before going to television, giving it a fifteen year total run.
The Marx Brothers, as a group, were voted in at #62 on Entertainment Weekly's "Greatest Movie Star of all time" list.
It is often erroneously claimed that the epitaph on his grave reads "excuse me, I can't stand up", but his marker has only his name and years of birth and death.
Groucho began using his trademark greasepaint mustache because he didn't like removing his fake mustache every night.
After death Groucho was cremated and his ashes are interred at Eden Memorial Park in Mission Hills, California.
Groucho once got in trouble at an airport when he listed his occupation on a customs form as "smuggler."
In the 1970s Groucho became close friends with rock star Alice Cooper.
When Groucho caught his teenage son smoking a corncob pipe in his room, he gave the boy one of his own pipes and some good pipe tobacco.
A 2005 poll by Channel Four (UK) to find the all-time favorite comedians' comedian, had Groucho Marx in fifth over-all.
An early silent Marx Brothers film was never released, and Groucho claimed to have destroyed all copies so no one would ever see it.
He received an Emmy Award in 1951 as "Most Outstanding Personality".
His first book, Beds, By Groucho Marx was published in 1930.
His 1972 album An Evening with Groucho was nominated for a Grammy Award (as Best Comedy Recording).
He has a star on the Hollywood Walk of Fame for his work in radio at 6821 Hollywood Blvd and a star for his television work at 1751 Vine Street.
Groucho was the third born of five brothers.
Groucho hosted You Bet Your Life on radio from 1947 to 1956 and on television from 1950 to 1961.
Groucho won one Emmy award and a special Oscar award.
Groucho: One of the best hearing aids a man can have is an attentive wife.
Groucho: Alimony is like buying hay for a dead horse.
Groucho: Although it is generally known, I think it's about time to announce that I was born at a very early age.
Groucho: I knew a girl from Minneapolis-St. Paul. She was known as "The Tail of Two Cities".
Groucho: Military justice is to justice what military music is to music.
Groucho: In America you can go on the air and kid the politicians, and the politicians can go on the air and kid the people.
Groucho: Politics doesn't make strange bedfellows--marriage does.
Groucho: Why should I care about posterity? What's posterity ever done for me?
Groucho: Quote me as saying I was misquoted.
Groucho: The only game I like to play is Old Maid...provided she's not TOO old.
Groucho: My mother loved children--she would have given anything if I had been one.
Groucho: Behind every successful man stands a woman. And behind her stands his wife.
Groucho: I drink to make other people interesting.
Groucho: It looks as if Hollywood brides keep the bouquets and throw away the grooms.
Groucho: You're only as young as the woman you feel.
Groucho: I was married by a judge. I should have asked for a jury.
Groucho: If you want to see a comic strip, you should see me in the shower.
Groucho: There's one way to find out if a man is honest. Ask him; if he says 'yes,' you know he is crooked.
Groucho: (after being told a swimming pool was off-limits to Jews) My son is half-Jewish; can he wade in up to his knees?
Groucho: Those are my principles. If you don't like them, I have others.
Groucho: Marriage is a wonderful institution. But who wants to live in an institution?
Groucho: Outside of a dog, a book is a man's best friend, and inside a dog it's too dark to read.
Groucho: Money frees you from doing things you dislike. Since I dislike doing nearly everything, money is handy.
Groucho: Military intelligence is a contradiction in terms.
Groucho: It isn't necessary to have relatives in Kansas City in order to be unhappy.
Groucho: I've had a perfectly wonderful evening. But this wasn't it.
Groucho: I sent the club a wire stating, "Please accept my resignation. I don't want to belong to any club that will accept me as a member."
Groucho: I never forget a face, but in your case I'll be glad to make an exception.
Groucho: I find television very educating. Every time somebody turns on the set, I go into the other room and read a book.
Groucho: From the moment I picked up your book until I laid it down, I was convulsed with laughter. Some day I intend reading it.
Groucho: Age is not a particularly interesting subject. Anyone can get old. All you have to do is live long enough.