According to the Smithsonian Magazine, Elvis had penned a letter to President Nixon on a flight headed to Washington D.C. 'Sir, I can and will be of any service that I can to help the country out,' he had written.

Source: https://www.dailymail.co.uk/galleries/article-11834959/Priscilla-Presley-makes-red-carpet-debut-Lisa-Maries-passing.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

Nearly all of North America was covered in glaciers during the last Ice Age, except in the Yukon because the territory was too dry, Smithsonian Magazine.

Source: https://dailycaller.com/2023/03/30/yukon-ice-age-squirrel-canada-mummified/