Herman Hollerith gets a contract for processing the 1900 census data using punched cards. His firm was eventually named IBM in 1924.

• 赫尔曼.；霍尔瑞斯得到一份合同，采用穿孔卡片处理1900份户口普查资料。1924年，他的工厂最终被冠名为IBM。