The annual Just For Laughs festival is a large event that happens over a few weeks in July each year. There are street performances (some central streets are closed off to traffic), theatre shows and even a parade. There's all sorts of other information on the site as well.

Also, the Montreal International Fireworks Competition is a good event to see if you are in the city on a Saturday during the summer. Every Saturday evening a country competes with their best fireworks show. Tickets to see the fireworks at close range and in seats is available to buy, but good, free vantage points can be found all around the city as well as around the Harbour area.

Hellenic Flame Festival - An annual event, this festival attracts tens of thousands of visitors.

And don't forget the Montreal Jazz Festival and the Theatre in the Parks Festival!

Play: Truth and Treason by Rahul Varma (Teesri Duniya theatre), September 8-19, 2009. More info at / tickets @ Monument National, Montreal

Festival Accès Asie Festival Accès Asie is offering more than eight different activities presenting the works of local and national artists with Asain origins. The program includes multidisciplinary works in the areas as diverse as dance, music, theater, new media, film, new technologies and even culinary arts. Taking place each year in Montreal, the Festival is presenting for this new edition no less than thirty artists performing in seven different locations. Its startes May 3rd, 2012 until May 19th, 2012.