<Ul> <Li> Travis and Bowie agree upon joint command of the Alamo's forces . </Li> </Ul> <Li> Travis and Bowie agree upon joint command of the Alamo's forces . </Li> <Tr> <Td> February 16 </Td> <Td> </Td> <Td> Santa Anna crosses the Rio Grande . </Td> </Tr> <Tr> <Td> February 17 </Td> <Td> </Td> <Td> Travis sends out letters pleading for men and supplies . <P> General José de Urrea crosses the Rio Grande . </P> </Td> </Tr>

What event took place during the revolutionary era in texas history