What event marked the beginning of water deliveries from the All-American Canal?

The beginning of water deliveries from the All-American Canal took place in 1941, marking a significant moment in the history of California's water management. The All-American Canal was constructed as part of the Colorado River Aqueduct project, serving to deliver water from the Colorado River to various agricultural and urban areas in Southern California, particularly in Imperial Valley.

The canal helped address the growing water needs of the region, supporting agricultural development and providing a reliable water supply necessary for the area's economic growth. This event is pivotal as it showcases the expansion of irrigation infrastructure in California and the strategic efforts undertaken to utilize water resources efficiently. Understanding the timing and significance of the canal's operation is crucial for comprehending California's water history and management practices.