LOOKING BACK

1977: South African

Black student leader and anti-apartheid activist

Steve Biko, 30, died while in police custody, triggering an international outcry.

2009: Serena Williams’ U.S. Open title defense ended with a bizarre loss to Kim Clijsters after Williams went into a tirade against a line judge who’d called her for a foot fault; following her outburst, Williams was penalized a point for unsportsmanlike conduct, ending the match, 6-4, 7-5.