1919

President Woodrow Wilson signed an act making the Grand Canyon a national park.

1987

The Tower Commission, which had probed the Iran-Contra affair, issued its report, which rebuked President Ronald Reagan for failing to control his national security staff.

1993

A truck bomb built by Islamic extremists exploded in the parking garage of the North Tower of New York’s World Trade Center, killing six people and injuring more than 1,000 others.

1998

A jury in Amarillo, Texas, rejected an $11 million lawsuit brought by Texas cattlemen who blamed Oprah Winfrey’s talk show for a price fall after a segment on food safety that included a discussion about mad cow disease.

2012

Trayvon Martin, 17, was shot to death in Sanford, Florida, during an altercation with neighborhood watch volunteer George Zimmerman, who said he acted in self-defense. (Zimmerman was later acquitted of second-degree murder.)

Birthdays

Singer Mitch Ryder is 80. Singer Michael Bolton is 72. Hockey Hall of Famer Joe Mullen is 68. Sen. Tim Kaine, D-Va., is 67. Singer Erykah Badu is 54. Filmmaker Sean Baker is 54. Singer Corinne Bailey Rae is 46. Singer Natalia Lafourcade is 41.