FIB > 230,000 people, 4 days! In the beach!
Monegros > 194,000, 22 hours!! In the dessert!
Exit > 800,000 people, 1 hour!! In a mountain, next to a river!
Tacheles > 150,000 flutedogs, 1 month!! In a squot!
Masai > 13 actors, 1 night! In Torrelodones (next to the casino)! (Ask for Andres)
French open
Its a Film Festival, the biggest award to win is the Palme d'Or, which is for best film.
Oxegen is the biggest music festival in Ireland, held every year. It is located at the Punchestown Racecourse, in the town of Naas. This is in County Kildare.
I don't know of a specific one you might be referring to, but in virtually every state where tomatoes are grown, there will be some kind of late summer "tomato festival".
Galway has lots going on every Summer, like the Arts Festival and the Galway Races week. See the link below for many more of these.
The Rio Carnival in Brazil. It takes place once every year and is the biggest festival in the world!
FYF Fest is a one-day indie music festival held in Los Angeles, CA every summer.
The National Cherry Blossoms festival is held in Washington DC and is one of the biggest and most attended festivals each and every year. Cherry Blossoms is very popular.
If you mean the number of team members, It would be the USA Summer Olympic Team every four years.
For Hindus every day is a ritual and a festival since time is GOD.
The FIFA world cup, held every 4 years. A competition based on the skill of each countries soccer/football team. "the process where national teams compete in knockout stages to eventually finalize the top team.. resulting in the overall winner." Then you can look at European competitions such as the champions league and the UEFA cup.
The Rio festival is a world famous festival held every year before lent. :)