original: In 1798, the Helvetian Republic was proclaimed and the lords from Bern were ousted.
simplifications: In 1798, the Helvetian Republic was announced and the lords from Bern were forced to leave. In 1798, the Helvetian Republic removed the lords from Bern. In 1798, the Helvetian Republic was proclaimed.  The lords from Bern were also ousted. In 1798, the Helvetian Republic was announced. The lords from Bern were then removed. In 1798, the Helvetian Republic was proclaimed. The lords from Bern were sent away. The Helvetian Republic was created in 1798. After its creation the rulers from Bern were kicked out. In 1798, the Helvetian Republic was formed and the lords from Bern were thrown out. In 1798, the lords from Bern were ousted from the Helvetian Republic. In 1798, the Helvetian Republic was declared, and lords from Bern were thrown out. The lords from Bern were ousted after the Helvetian Republic was proclaimed in 1798.