The rock band Route 111 performs a free concert and collects donations for Red Cross relief efforts relating to the Lake Tahoe fire. [12:30 p.m., Union Square, Powell and Geary streets]
Who’s in town
Author and Abraham Lincoln buff Andrew Ferguson discusses his new book, “Land of Lincoln,” and the legacy of the nation’s 16th president. [6 p.m., Commonwealth Club, 595 Market St.]
City activities
Dance rehearsal: The ChoreoFest dance celebration features an open rehearsal of a site-specific collaboration directed by Matthew Graham Smith. [12:30 p.m., Yerba Buena Gardens, Third and Mission streets]
Petal pushing: The San Francisco Botanical Garden presents “A Passion for Flowers,” an exhibit of botanical watercolors and archival prints by artist Sally Robertson. [8 a.m. to 4:30 p.m., Golden Gate Park]
Literary events
Glenn Kurtz: The author and musician discusses “Practicing: A Musician’s Return to Music.” [7 p.m., BookShop West Portal, 80 West Portal Ave.]
Clint Wilder: The Clean Edge contributing editor discusses “The Clean Tech Revolution.” [12:30 p.m., Stacey’s Bookstore, 581 Market St.]
Lectures
Karin Eisele: The West Coast director of the Institute of International Education discusses why young Americans need to learn about the rest of the world.[6 p.m., Commonwealth Club, 595 Market St.]
David Hobstetter: The architect showcases his plans for the energy-efficient new Public Utilities Commission building. [7 p.m., Presidio Officers’ Club, 50 Moraga Ave.]
At the public library
Rock show: Rock historian and local author Richie Unterberger presents “Rare Rock and Roll Film Clips.” [7 to 9 p.m., Park Branch, 1833 Page St.]
Online job-searching: Computer session covers how to find a job via the Internet. [2 to 4 p.m., Main Library, Training Center, 100 Larkin St.]
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