He came to Texas in 1907 through Galveston, Texas, with his wife and family. He was a farmer. After staying in Texas for several years he moved to Wade, Bryan County, Oklahoma, and became a US citizen in District Court in Durant, Oklahoma in 1931.

After his wife died he returned to Bohemia-Austria in 1938 and then in 1939 brought back his second wife. They were trapped by the beginning of WWII at first. She was residing in Cologne, Germany. After getting a visa in Prague on 8/28/1939 they went to Denmark where they sailed on the SS Mormacwren from Copenhagan. They landed in New York City on October 1, 1939, returning to Wade, Oklahoma.It is said that Vaclav owned a brick factory in Czechosovakia where his first 6 children were born. Vaclav and Marie sold the factory and left for America They traveled to San Angelo where they lived in a wagon and farmed. It is not known how long they were in San Angelo but sometime after the 1910 census they moved to Vernon Texas. Four children were born in Texas and in 1916 they bought a 500 acre property in and moved to Oklahoma. They spent the rest of their lives there having 2 more children. Marie died in 1938 and Vaclav returned to Checkoslovakia and brought a second wife (Anna) to America, however they had no children. It is said that Vaclav was an educated and generous man who helped people when he could. His writing was elegant and grammer was fluid.

Vaclav had known a V. Svoboda in Czechosolovakia who had come to Texas and settled in the Clarkson community of Milam county. Svoboda bought a farm there and told Vaclav about property next to him that was for sale. In 1920 Vaclav bought that 400 acres in Milam county. He visited the farm but never moved to Texas. His older children farmed the land in Texas and ended up owning the land upon the settlement of the estate. Vaclav Jr (Jim) Hauk, Annie Hauk Dodd, Joe Hauk, and Mary Hauk Doskocil ended up on the land in Texas and raised families there. As of 2011 part of the Milam county land is still owned by his descendants, about 75 acres by Vaclav's grandson and another part of about 120 acres by a great grandson.