On this date...

In 1607, Jamestown was settled by English settlers arriving under the authority of the Virginia Company of London chartered by King James I established the first permanent English settlement in North America in present day Virginia..*

In 1787, the first delegates arrive and begin to assemble for the Constitutional Convention.

In 1796, Edward Jenner administered the first smallpox vaccination.

In 1804,Meriwether Lewis and William Clark leave the Midwest on their monumental journey to the Pacific.

In 1836, the interim president of the newly liberated Republic of Texas, David Burnet, signed two treaties in the town of Velasco with Mexican General Antonio López de Santa Anna. One of the treaties was made public immediately, while the second was kept secret until the public treaty's terms were fulfilled. (Courtesy of Texas Scorecard)

In 1856, The first members of the US Camel Corps arrive in Texas by boat from the Middle East—34 dromedaries in all. The military had high hopes for their use in the desert Southwest, but the 10-year experiment ended in abject failure.

In 1961, Freedom Riders are attacked by mobs in Birmingham and Anniston, Alabama

In 1973, Skylab was launched into space. It was the first US space station.

*This erroneously appeared on yesterdays on this date due to an error in one of the many pages I get this information from. My apologies and yesterday's On this date... has been corrected.