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Following its founding, SAE expands in the southern United States despite escalating tensions leading to the Civil War.
SAE faces an uncertain future in the 1860s as college campuses are destroyed and Fraternity members killed during the Civil War.
In the 1870s, as the United States continues to recover from the Civil War, several new SAE chapters form.
The 1880s, a time of great economic growth across the nation, sees the debut of a Fraternity magazine and the founding of the first chapter in the northern United States.
A massive national campaign doubles the number of SAE chapters in the 1890s, and SAE William McKinley is elected President of the United States.
Following McKinley's assassination at the turn of the century, Teddy Roosevelt becomes U.S. president and SAE elects Billy Levere as Eminent Supreme Archon.
In the 1910s, Billy Levere joins the YMCA on an overseas trip to support other members of the Fraternity fighting in World War I.
The construction of the Levere Memorial Temple begins in 1929, the same year the U.S. stock market crashes.
The Depression continues throughout the 1930s, and SAE's first Leadership School is held.
During World War II, large numbers of SAEs volunteer to serve.
In the 1950s, as the United States experiences phenomenal growth, SAE celebrates its 100th anniversary and continues to expand.
The 1960s see major social changes in the United States, including the continued efforts of the Civil Rights movement. SAE creates a Collegiate Council to increase participation in the Fraternity.
In the 1970s, U.S. President Richard Nixon resigns in the wake of the Watergate scandal, and SAE withdraws from the National Interfraternity Conference.
The presidency of Ronald Reagan puts the United States on another trajectory in the 1980s, and SAE launches a major fundraising campaign.
Against the backdrop of significant technological advances during the 1990s, SAE expands internationally with the formation of a chapter in Canada.
At the dawn of the new millennium, terrorists attack the United States and SAE celebrates its sesquicentennial.
In the 2010s, SAE eliminates pledging, and online social networks such as Facebook transform the way people communicate.