What happened on this day in United States of America

On January 27, 1967, the day of the Apollo 1 fire, Armstrong was in Washington, DC with Cooper, Gordon, Lovell, and Scott Carpenter for the signing of the United Nations Outer Space Treaty. The astronauts chatted with the assembled dignitaries until 18:45, when Carpenter went to the airport, and the others returned to the Georgetown Inn, where they each found messages to phone the Manned Spacecraft Center. During these calls, they learned of the deaths of Gus Grissom, Ed White, and Roger Chaffee in the fire. Armstrong and the group spent the rest of the night drinking scotch and discussing what had happened.

On January 27, the Senate voted on both motions in public session; the motion to dismiss failed on a nearly party line vote of 56–44, while the motion to depose witnesses passed by the same margin.

After years of speculation and multiple rumored "leaks", Apple unveiled a large screen, tablet-like media device known as the iPad on January 27, 2010.

On 27 January 2010, Oracle acquired Sun Microsystems, becoming the owner of the official implementation of the Java SE platform.

On January 27, at Royal Rumble, CM Punk would seemingly defeat The Rock after the arena lights went out and someone attacked The Rock. Vince McMahon then came out and was about to strip Punk of the championship, however, at The Rock's request, he instead restarted the match. This culminated in The Rock defeating Punk to win his eighth WWE Championship.

On January 27, 2017, Trump signed Executive Order 13769, which suspended admission of refugees for 120 days and denied entry to citizens of Iraq, Iran, Libya, Somalia, Sudan, Syria, and Yemen for 90 days, citing security concerns. The order was imposed without warning and took effect immediately. Confusion and protests caused chaos at airports.

On January 27, 2020, Atari announced a deal with GSD Group to build Atari Hotels, with the first breaking ground in Phoenix in mid-2020. Additional hotels were also planned in Las Vegas, Denver, Chicago, Austin, Seattle, San Francisco, and San Jose. The company plans to make the hotel experience immersive while catering to all ages, including the use of virtual and augmented reality technologies.

On 27 January 2020, the United States CDC issued updated travel guidance for China, recommending that travelers avoid all nonessential travel to all of the country. The CDC has directed U.S. Customs and Border Protection to check individuals for symptoms of the coronavirus.