on may 25th in ipanema and arpoador see the world peace crusade - this annual event is organized by brazilian gypsies to show solidarity to all minorities and pay homage to all people, races, and religions, a very interesting gypsy mass is held on this occasion, also in honor of their saint patron saint sara kali.

also in may, since 2011 the desafio da paz (challenge of peace) is a symbolic 5 km run taking the participants through the streets and roads followed by the drug lords while fleeing the police forces during the upp occupation and pacification of the favelas in the complexo do alemão - the desafio da paz also takes runners across other pacified favelas on different dates. 

finally, in may is the yearly convention estetica in rio, where leaders in the sector present and discuss new facial and corporal beauty products and technologies.