May 11, 330: Roman emperor Constantine, the first Christian emperor, inaugurates Constantinople as his capital on the site of the Greek city of Byzantium (see issue 57: Converting the Empire).
May 11, 603: Comgall, founder and first abbot of Bangor, dies. Considered the founder of Irish monasticism, by his death he oversaw 3,000 monks—including the famous missionary Columbanus (see issue 60: How the Irish Were Saved).
May 11, 1610: Jesuit missionary Matteo Ricci, the first Catholic missionary ...
