What is the fine-grained topic of the following text: The town assumed its present name in 1926 when, as part of the reorganization of local government, was suppressed the ancient City of Rivoltella sul Garda (made independently at least the thirteenth century) and the territory of that he was attached to its neighboring village of Desenzano The lake railway line Paris - Bern - Milan - Venice - Zagreb, courier service extended to the Veneto and Trentino, the regular shipping lines on the entire lake, the highway (Autostrada A4 "Serenissima") and the proximity of the Montichiari and Verona airports make a node of such importance that Desenzano can rightly claim to be considered the "capital of the Garda." Only return the topic.
The history and transportation importance of the town Desenzano, also known as the "capital of the Garda."