September 4, 1781: Spanish settlers found the city of Los Angeles.  Although Cabrillo had visited the region as early as 1542 it was not until the 18th century that the city was officially founded and a governor appointed.

September 4, 1886: The famed American Indian leader Geronimo surrenders to U.S. Army forces. Geronimo was born in 1829 as an Apache in what is now New Mexico. Geronimo began his infamous raids against American and Mexican settlers after his family was killed by Mexican settlers in 1858.

September 4, 1915: The first tank is produced by the manufacturer Fosters of Lincoln, a U.K. arms producer. Named “Little Willie” it is made out of tractors parts from the U.S. with additional steel bolted on as armor. At the time it was criticized for its perceived to be to high of a weight at 12 tons however this is nothing compared to todays tanks such as the 65 ton Merkava (Israel) and the 70 ton M1A2 Abrams (U.S.)