1900s - 1910s

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timeline 1900s
The soothing dry air and open desert of Arizona become a mecca for health seekers. In her memoirs, Marguerite Colley refers to Arizona as the "Promised Land." Pictured here are the mountains and slopes of North Phoenix as they appear in the early part of the 1900s.
timeline 1900s
Young girls from the tent cities of Sunnyslope.

1919 - The 18th Amendment is ratified, prohibiting alcoholic beverages.

1919 - Marguerite Colley moves to Arizona because of her son's asthma. A practical nurse and social worker, she visits the homes of the sick, indigent and lonely in North Phoenix.

1917 - World War I ends.

1917 - Second inaugural address of President Woodrow Wilson; U.S. enters World War I.

1914 - World War I begins.

1913 - W. H. Bragg and W. L. Bragg construct the first X-ray spectroscope.

1913 - Woodrow Wilson is inaugurated as President of the United States.

1912 - Roosevelt Dam, the first irrigation project of the National Reclamation Act of 1902, is completed.

1912 - Arizona becomes a state.

1911 - W. R. Norton plans a subdivision called Sunny Slope after his daughter's remark upon seeing the morning sun on North Mountain, "What a pretty sunny slope!" This is the first subdivision built in the Phoenix area.

1907 - Retired architect W.R. Norton and his wife, a concert pianist, arrive in Arizona and file for homestead land near Phoenix. They build their home in a clearing surrounded by greasewood near the present-day address of 8713 N. Central Ave.

1905 - Theodore Roosevelt is inaugurated into his second term as President of the United States.

1904 - Albert Einstein formulates the theory of relativity.

1903 - The City of Phoenix passes an ordinance prohibiting tent housing, driving the health seekers north to an area now known as Sunnyslope.

1903 - The Wright brothers fly the first powered, controlled airplane at Kitty Hawk, N.C.

1902 - President Theodore Roosevelt signs into law the National Reclamation Act of 1902, authorizing western irrigation projects paid for by the sale of land in 16 semiarid states. Under this law, Roosevelt initiates the construction of western dams, including the Roosevelt Dam. As a result, vast sections of central Arizona that had once been arid desert are soon transformed into productive fields of cotton, pecans, oranges and grapefruit.

1901 - First Nobel Prizes awarded.

1900-1910s - In the early 1900s, Arizona is a new frontier, a booming land of promise, not only for the healthy but for the sick. Arizona's sunshine and dry desert air draw many people suffering from tuberculosis, rheumatism, asthma and various other diseases. Some are very wealthy and recuperate in exclusive resorts. Others use their last savings just to make the journey to Arizona, arriving penniless. They pitch tents and build tiny cabins in the desert.

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