In 1879, Tadaatsu MATSUDAIRA (the younger brother of Tadanari MATSUDAIRA, the last lord of Ueda Domain) immigrated to Colorado as an engineer after having studied in New Jersey.
1879年松平忠厚（最後の上田藩藩主松平忠礼の弟）が、ニュージャージー州への留学の後エンジニアとしてコロラド州に移住。