Year

1906

3 sourced events from this year.

Events

1906 Timeline

All Years

Disaster20th CenturyNorth America

Devastating Earthquake Strikes San Francisco

San Francisco had grown rapidly into a major Pacific port city by the early 20th century, built largely on wooden structures atop the seismically active San Andreas Fault. At 5:12 a.m. on April 18, 1906, a magnitude 7.9 earthquake struck, rupturing the fault for hundreds of miles and toppling buildings across the city. Fires ignited by broken gas lines and overturned stoves quickly spread, raging for three days due to water main failures and inadequate firefighting resources. Over 3,000 people died, and approximately 250,000 residents were left homeless amid the ruins. The disaster prompted immediate relief efforts from across the United States and abroad.

Disaster20th CenturyLatin America & Caribbean

Valparaíso Earthquake Devastates Chile

Central Chile, including its principal port city of Valparaíso, experienced frequent seismic activity due to its location on the Nazca-South American plate boundary. On the evening of August 16, 1906, at approximately 7:55 p.m. local time, a powerful earthquake of magnitude 8.2 struck offshore, shaking the region for several minutes. The quake destroyed or severely damaged much of Valparaíso and nearby towns, followed by fires that consumed remaining structures. Official estimates placed the death toll at around 3,800, with thousands more injured and extensive property losses. International aid and reconstruction efforts followed in the months after the disaster.

Other20th CenturyNorth America

Roosevelt Creates First National Monument

As western expansion and resource extraction threatened unique natural features, Congress passed the Antiquities Act in 1906, empowering the president to protect sites of historic or scientific interest. Wyoming's Devils Tower, a striking volcanic rock formation long revered by indigenous peoples, drew attention from conservationists and local leaders. On September 24, 1906, President Theodore Roosevelt issued a proclamation designating Devils Tower as the nation's first national monument under the new law, setting aside 1,153 acres. The action preserved the site from private development and established a model for executive conservation authority. Roosevelt would create 17 additional monuments during his presidency using this power.