| 1518 | Joachim Vadian and Conrad Grebel climb Mount Pilatus together. | ||
|---|---|---|---|
| 1519 | Joachim Vadian marries Martha Grebel, Conrad Grebels sister. | ||
| 1521 | January 21 | The first adult baptism of the reformation occurs. | First Adult Baptism |
| 1523 | Second Zurich Disputation in which Zwingli argued for the removal of images from churches. Grebel unsuccessfully argued for the abolition of the mass. |