Geologists matching rocks from opposite sides of the globe have found that part of Australia was once attached to North America 1.7 billion years ago.
Article
https://amp.livescience.com/61490-chunk-of-north-america-in-australia.html?__twitter_impression=true
Paper pay walled
https://pubs.geoscienceworld.org/gsa/geology/article-abstract/526080/laurentian-crust-in-northeast-australia?redirectedFrom=fulltext