


1900
Lewisville’s population is about 500 people. The first electrical line is installed.
1908
Historic flooding of the Trinity River, which left much of Dallas under water, also
impacts Lewisville. Many local residents are stuck in treetops until they can be picked up by boat. No local deaths are reported.
1909
The first bank robbery in Denton County is staged at First National Bank of Lewisville when a group of robbers uses dynamite to open safes and steal about $6,500. They fled on a railroad handcar, but two were caught shortly
thereafter.

1912
Fire breaks out in a hotel on the north side of Main Street and eventually spreads to six other buildings. One man dies when he runs back inside the hotel for his wallet.
1913
The first car is brought to Lewisville, purchased by a local doctor.
1918
Fire again strikes the north side of Main Street, starting at the First National Bank building and moving east to west along Main Street through six brick buildings and several wooden structures. This fire provided the impetus for incorporation.



1921
State Rep. Charles G. Thomas of Lewisville is elected Speaker of the Texas House. He served as Speaker for one session. He died in 1937 and is buried in Old Hall Cemetery.
1924
Construction begins on Garza Dam; Lake Dallas is finished three years later, providing a freshwater source for Dallas.
In September, hundreds witness a small plane crash on the outskirts of Lewisville in which local passenger Owen Meadows is killed and the Fort Worth pilot is injured.
The Texas Interurban Railway comes to Lewisville, connecting Denton and Dallas, despite a vigorous effort by a local pastor to keep out the railroad and the “bad elements” it would bring. The Interurban provided regular passenger train service in Lewisville until 1932.
1925
Lewisville’s population is 815 people. Residents vote, 109-92, on January 15 to incorporate and the Lewisville Town Council holds its first official meeting on March 16, presided over by Mayor Martin D. Fagg, owner of Fagg’s Dry Goods.
The new Town Council adopts its first ordinance on March 16, regulating medicine shows and establishing fees.
1927
The city completes construction of its first public building, the Well House, at the corner of Church Street and Poydras Street.
The city hires its first police officer and first firefighter, creating the positions of Night Watchman and Fire Marshal.
J.L. Huffines, a Denton car dealer, opens the first automobile dealership in Lewisville. Huffines Motor Company operated at the corner of Main and Mill streets in a building that still stands.
1929
Newspaper publisher Jack Lewis elected as mayor.