Google search results founded 1 June about 105 000 results Most of these results are not sentences with founded 1 June YYYY but many are including some very British examples Wikipedia s article on Neue Rheinische Zeitung The Neue Rheinische Zeitung Organ der Demokratie New Rhenish Newspaper Organ of Democracy was founded 1 June 1848 in Cologne K ln part of Rhineland So I still don t think it s wrong to say the Meimad movement was founded 1 June 1988 in any variety of English