Noche de los Museos (Night of the Museums). One night a year in November the city’s cultural spaces stay open late (from 7 p.m. to 2 a.m.) and host films and performances of jazz, tango, folk, techno, choral, and rock music. In 2007, 102 such institutions participated and 414,000 people attended the city-wide museum block party. This year it is November 15th from 7 pm to 2 am. For participating you have to go to any museum (listed at ) to start. There will be free transportation among the museums by the buses 29, 64, 78, 80, 87, 92, 100, 111, 127, 130 y 134, minibuses and by the tramway in Puerto Madero (Tren del Este). For using theses buses for free you have to print the “pase libre” (free pass) at

Pillow fight. Each November and this year next November 22th, at 6pm, at Planetario (Palermo), there will be a “pillows fight”. All you need is to be there with your pillow and wait for the start hour. There have been others, not only in Buenos Aires but in other cities of the country. There are some rules:
1) Spread the word!!!
2) Go with your pillow, don’t start till listen the signal.
3) Don’t fight against nobody who don’t have a pillow (except if they ask for)
4) Absolutely forbidden to use heavy pillows, or pillows with hard parts as zippers or buttons