The Grand Canyon becomes a national park, Michael Jackson's "Thriller" album hits No. 1, a truck bomb explodes under the World Trade Center, and teenager Trayvon Martin is shot and killed, all on this day.
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1971: Singer-songwriter Erykah Badu, best known for songs such as "On & On," "Bad Lady," "Tyrone" and "Love of My Life (An Ode to Hip-Hop)," is born Erica Abi Wright in Dallas, Texas.