On this date

In 1806,

explorers Meriwether Lewis and William Clark, having reached the Pacific coast, began their journey back east.

In 1933,

the German Reichstag adopted the Enabling Act, which effectively granted Adolf Hitler dictatorial powers.

In 1942,

the first Japanese-Americans evacuated by the U.S. Army during World War II arrived at the internment camp in Manzanar, Calif.

In 1965,

America’s first two-person space mission took place as Gemini 3 blasted off with astronauts Virgil I. “Gus” Grissom and John W. Young aboard for a nearly 5-hour flight.

In 1973,

before sentencing a group of Watergate break-in defendants, Chief U.S. District Judge John J. Sirica read aloud a letter he’d received from James W. McCord Jr. that said there was “political pressure” to “plead guilty and remain silent.”

In 1983,

President Ronald Reagan first proposed developing technology to intercept incoming enemy missiles — an idea that came to be known as the Strategic Defense Initiative.

In 1998,

“Titanic” tied an Academy Awards record by winning 11 Oscars, including best picture, director (James Cameron) and song (“My Heart Will Go On”).

Ten years ago:

A roadside bomb killed four U.S. soldiers in Baghdad, pushing the overall American death toll in the five-year war to at least 4,000.

Five years ago:

Boris Berezovsky, 67, a self-exiled and outspoken Russian tycoon who’d had a bitter falling out with Russian President Vladimir Putin, was found dead at his home in Ascot, England.

One year ago:

Abandoning negotiations, President Donald Trump demanded a make-or-break vote on health care legislation in the House, threatening to leave “Obamacare” in place and move on to other issues if the next day’s vote failed. (Trump and GOP leaders ended up pulling their bill when it became clear it would fail badly.)