2) AlliancExchange Turns Ten AllianExchange, a Somerville nonprofit that's dedicated to saving the rain forests through educating children in Peru and Ecuador, turns 10 this year. Tonight, the nonprofit kicks off a year worth of celebrations with "A Taste of Peru," which takes place at Machu Picchu in Union Square. Learn more here.
3) Oktoberfest at Olde Magoun's Saloon The Magoun Square tavern celebrates Oktoberfest this month and next month, and it will feature beers from a different German brewery each week. This week, they're serving suds from Wurzburger.
4) National Conversation on Race If you missed last week's national conversation on race at Tufts University, WGBH was there. Here's their report.