http://en.wikipedia.org/wiki/Hurricane_Carla_%281961%29
-Hurricane Carla made landfall in Port O' Conner, TX on September 11th, 1961 (ironic that it was EXACTLY 40 years before 9/11/01).
-Carla is the 7th strongest land falling hurricane on record.
-Carla produced one of the largest tornado outbreaks in history, and spawned an F-4 tornado in downtown Galveston!
-Highest storm surge was up to 22 feet.
-Damage was reported all the way to the Mississippi river delta and all the way to Dallas (incredibly large storm).
http://en.wikipedia.org/wiki/Hurricane_Alicia
-Alicia killed 21 people and caused 2 billion in damages.
-millions in damages occured when gravel blew out windows on dozens of downtown Houston skyscrapers.
-Alicia had actually hit Houston as a T-storm complex days earlier, but was shunted into the Gulf, became a hurricane, and then made landfall back in Galveston/Houston less than a week later!

http://en.wikipedia.org/wiki/Hurricane_Audrey
-Hurricane Audrey made landfall in Sabine Pass as a Cat. 4 in 1957.
-Audrey caused over 360 deaths.
-Very similar to Rita, but winds were 25mph stronger.
-Storm surge devastated Cameron, LA (like Rita).
Also:
- In the 1940s three major hurricanes made landfall on the TX coast.
-All the storms of the 40s made landfall in the vicinity of Houston (would have been bad news had it been today).
-A major hurricane hit Galveston in 1932 (Cat. 4)
-A Cat. 3 caused 120mph winds in Galveston in August 1915. over 200 were killed. The storm probably produced 80-100+mph wind gusts in downtown Houston (but we will never know for sure).
-In 1900 a Cat. 4 hit Galveston and killed over 8,000. This storm likely caused 100-120+mph wind gusts in downtown Houston (but we will never know for sure).
***These are just a FEW of Texas' worst storms. There are many others that hit the state in the last 150 years, and even the Cat. 1-2 landfalls would have been significant. The worst decade for Texas was probably the 40s***