This is a potted history of Los Angeles from prehistoric times, right up to the 21st Century.
It is divided into 5 pages:
The Prehistory page dates from about 25,000 years ago to roughly 1500 AD.
The Coming of the Spaniards page is from about 1500 AD to 1780.
The Founding of Los Angeles page is from about 1781 to 1899.
The 20th Century page obviously covers 1900 to 1999.
The 21st Century page covers from year 2000 to present.