Sept. 27: LEWISTON, C. Mead Welles, a financier and president of A Leg to Stand On,” will speak at 7 p.m. at Bates College Chase Hall Lounge, Campus Avenue. 786-6232

Sept. 30: STANDISH, Rep. Brian Golden of the Massachusetts Legislature, will speak on “Catholicism and Presidential Elections,” at 7 p.m. at St. Joseph’s College Alfond Hall. Free 893-7723

Oct. 1: LEWISTON, Leslie Feinberg, pioneer of transgender activism and culture, will speak about gender identity and expression at 8 p.m. at Bates College Chase Hall Lounge, Campus Avenue. 786-6232

Oct. 5: BANGOR, Maine author, historian and politician Neil Rolde will speak on “Unsettled Past, Unsettled Future: The Story of Maine Indians,” at 6 p.m. at the Bangor Public Library, 145 Harlow St. 947-8336

Oct. 6: AUGUSTA, Bruce J. Bourque, Ph.D., chief archaeologist and curator of Ethnography, Maine State Museum and author, will speak about the prehistory of Maine at 7 p.m. at the Maine State Museum, State House Complex. Free 287-6740

Oct. 7: CASCO, Mary “Pixie” Williams, a specialist in aquatic plants, will speak on “Invasive Lake Plants and Native Flora int he Region’s Lakes,” at 7 p.m. at the Casco Town Hall, Rt. 121.Free 767-4682

Oct. 7: STANDISH, Bishop Richard Malone of the Diocese of Portland will speak on “How Do Our Beliefs Influence Our Political Decisions?! at 7 p.m. at St. Joseph’s College of Maine Alfond Hall auditorium. Free 893-7723