what was the 46th state of america June 28, 2026 • 1 min read TwitterFacebookWhatsAppLinkedInTelegramCopy Link The 46th state of the United States was Oklahoma. It was admitted to the Union on November 16, 1907. Written by Valli Kalyana Sundareswarar "Once you learn to read, you will be forever free." — This philosophy guides my writing and exploration of ideas.