Evangelical Lutheran Synodical Conference of North America formed

July 10, 1872 – The Synods of Ohio and Other States; Missouri, Ohio and Other States; Wisconsin; Norwegian Lutheran; Illinois; and Minnesota formed the Evangelical Lutheran Synodical Conference of North America to conduct conjointly a mission among the heathen, particularly a mission among the colored people of the country.

A detailed history of the Evangelical Lutheran Synodical Conference of North America can be found on Wikipedia.