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It’s Aug. 15, the 227th day of the year; 138 days remain in 2018. The National Weather Service reports that yesterday’s Lake Michigan temperatures were 81 at the Chicago shore, 75 at the Chicago crib and 76 at the Wilmette buoy.

Yesterday:

The advisory referendum question about whether to save the Harley Clarke mansion survived its first objection. Two more objections have been filed.

Tonight:

1899: Henry Ford leaves Edison to start an automobile company.

1914: Panama Canal opens.

1961: Berlin Wall is built.

1969: Woodstock opens in Bethel, New York.

The Library Board meets at 6:30 p.m.

In History: