The annexation of the Republic of Texas by the United States took place in 1845.德克萨斯共和国于一八四五年被并入美国版图。The year 1849 witnessed a great war in Hungary.一八四九年匈牙利发生了一场大战。Victoria ascended the throne in 1839.维多利亚于一八三九年登上王位。As far as I can recollect, he was born in 1898 and died in 1972.我记得他生于一八九八年，卒于一九七二年。