1903April, second journey to Italy all the way to Tuscany; he travels with Maria Bernoulli from Basle, the first swiss professional woman photographer, whom he will get engaged to the same year.
1904Peter Camenzind is published, whose big success allows him to marry Maria Bernoulli. They move to Gaienhofen, on the German side of lake Constance. Freelance author and writer for numerous papers. Franz von Assisi appears.
1905Birth of his first son Bruno.
1906Unterm Rad [Beneath the Wheel] is published. Third trip to Northern Italy together with the painter Fritz Widmann. Hesse is co-publisher of the liberal magazine März, critical of the German Empire.
1907Hesse moves into a new house in Gaienhofen with his family.
1909Birth of his second son Heiner.
1910The novel Gertrud is published.
1911Birth of his third son Martin.
Trip to Umbria and Tuscany, Italy with Othmar Schoeck and Fritz Brun.
September – December
Journey to Ceylon and Indonesia with the painter Hans Sturzenegger.