Denial is not just a river in Egypt.
Nor is it a nickname for the Ohio River.
Oldenbarnevelt was arrested and executed (unjustly IMO) for his political actions concerning states rights. He was NOT killed for his theological views.
This whole line of argumentation is absurd. History stands firm. Arminius was no Calvinist, nor were his faithful followers, the Remonstrants, and the delegates from the Reformed churches throughout Europe who met at the Synod of Dordt rightly confirmed this formally.
You'll find the white-out just doesn't stick to the pages of history very well. Scratch just a little and the revised words fall right off the paper.