How many states were there 100 years ago?

Answer 1

The last two US states were Alaska (49) and Hawaii (50) in 1959.

100 years earlier, in 1859, there were 33, after the addition of Oregon on February 14, 1859.

In 1908, 100 years before 2008, there were 46 states. Oklahoma was admitted in 1907.

In 1910, 100 years before 2010, there were still 46 states. Two years later, the total reached 48.

In 1912, 100 years before 2012, the last two contiguous states were added, Arizona and New Mexico.