Which U.S. state was the LAST to join the Union?

Paradise Found — How Hawaii Became America's Newest State

It took a long, winding road — and more than half a century of political debate — before Hawaii officially became the 50th state of the United States on August 21, 1959. That date sealed its place in history as the last state ever admitted to the Union, and the story behind it is far more dramatic than most people realize.

A Close Call With Alaska

Hawaii nearly wasn't last. Alaska beat it to the punch by just seven months, becoming the 49th state on January 3, 1959. For years, the two territories had been pushing for statehood simultaneously, and Congress debated them together. Many assumed Hawaii would go first — it had actually been seeking statehood longer and had stronger economic ties to the mainland. But Cold War politics, racial anxieties, and concerns about Hawaii's mixed-race population caused repeated delays, allowing Alaska to slip through first.

Why It Took So Long

Hawaii had been a U.S. territory since 1898, when it was formally annexed following the overthrow of the Hawaiian monarchy five years earlier. For over six decades, statehood bills were introduced and blocked. Some Southern lawmakers opposed admitting Hawaii because its diverse population — Native Hawaiian, Japanese American, Chinese American, Filipino American — would send non-white representatives to Congress. Others worried about its geographic isolation, sitting more than 2,000 miles from the U.S. mainland in the middle of the Pacific Ocean.

World War II actually shifted the argument. Japanese American soldiers from Hawaii, many of whom served in the highly decorated 442nd Infantry Regiment, had proved their loyalty under fire. It became harder to justify keeping Hawaii out of the Union on racial grounds after that kind of sacrifice.

The Vote That Changed Everything

In 1959, Congress finally passed the Hawaii Admission Act. Hawaiian voters were then asked to ratify it in a referendum — and they did so overwhelmingly, with over 93% voting in favor of statehood. President Dwight D. Eisenhower signed the proclamation on August 21, 1959, and the 50-star flag we know today officially came into use on July 4, 1960.

A State Unlike Any Other

Hawaii remains unique in just about every way. It is the only U.S. state located entirely in Oceania, the only one composed entirely of islands, and the only one with a royal palace — Iolani Palace in Honolulu, former home of the Hawaiian monarchy. It is also the birthplace of Barack Obama, the 44th President of the United States.

From contested annexation to Cold War-era delays to a landslide referendum, Hawaii's journey to statehood was anything but simple. But on that August day in 1959, the stars on the American flag finally numbered 50 — and they've stayed that way ever since.