On this day: September 20

POSTED: 10:42 PM Sep 19 2012   UPDATED: 12:00 AM Sep 20 2013

Magellan sets sail, the first American-made, gas-powered car goes for a spin, Cal Ripken sits for the first time in 16 years, and the U.S. ends "Don't Ask, Don't Tell," all on this day.

OTD September 20 - Hurricane Irene-Olivia
18 / 29
National Hurricane Center

1971: Having weakened after making landfall in Nicaragua the previous day, Hurricane Irene regains enough strength to be renamed Hurricane Olivia, making it the first known hurricane to cross from the Atlantic Ocean into the Pacific.

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