1928 Event Stothard, Kalmar and Ruby's musical "Good Boy," premieres in New York City 1905 Birthday Laszlo Kalmar, born in Hungary, mathematician, discovered mathematical logic, founder, theoretical computer science in Hungary 1613 Event Peace of Knarod ends War of Kalmar between Denmark and Sweden 1397 Event Denmark, Norway and Sweden sign Union of Kalmar under Queen Margaretha 1397 Event Union of Kalmar established between Denmark, Sweden and Norway
