1867History
In 1867, Professor Eugene W.
1890Economy
In 1890, the German immigrant Herman Frasch invented and patented the Frasch Process of mining sulfur, using concentric pipes to pump superheated water into the ground, liquefy ...
1894History
The first molten sulfur was brought to the surface on Christmas Eve of 1894.
1904Architecture
Henning Cultural Center: Was built in 1904 and in 2002, was acquired by Sulphur Parks and Recreation, and opened in Heritage Square community area.
1914Government
Frasch and the American Sulphur Company that owned the land, sparked a period of booming growth in the decades that followed, leading to its incorporation in 1914.
1915Architecture
== Economy ==
=== Tourism ===
Tourist attractions as well as local destinations in Sulphur include:
Brimstone Museum: A former Southern Pacific Railway depot built in 1915 to...
1943Economy
With the addition of the Cities Service (Citgo) oil refinery in 1943, the areas of Maplewood and Hollywood were developed to house refinery workers.
1956History
Clark, justice of the Louisiana Supreme Court, born in Sulphur in 1956
Casey Daigle, former pitcher in MLB.
1975Economy
The depot was discontinued in the early 1970s and in 1975 was sold to the Sulphur Association of Commerce, on condition that it be moved for safety reasons, and was moved to a l...
1976Architecture
Building restoration was completed and the dedication ceremony took place on the nation's 200th birthday, July 4, 1976.
1978History
Edith Killgore Kirkpatrick, member of Louisiana Board of Regents from 1978 to 1990.
2004Education
One high school, Sulphur High School, serves the city, along with the Sulphur High Ninth Grade Campus that was completed in 2004.
2005History
Huntington street, providing more visibility resulting in an increase in visitors, and on December 5, 2005 was transferred to the Brimstone Historical Society.
2010Education
Perkins Elementary, one of the area's most challenged schools, closed in 2010, and all students and teachers were transferred to Cypress Cove, a completely new facility located ...
2014Culture
== Arts and culture ==
In 2014 Sulphur was named the third best city in Louisiana to raise a family.
2020History
== Demographics ==
As of the 2020 United States census, there were 21,809 people, 8,033 households, and 4,981 families residing in the city.