Simeon Stylites
A monk lives on top of a pillar for 37 years

To escape crowds of pilgrims, the Syrian ascetic Simeon climbed a pillar about 3 m high, then moved to ever taller ones, the last reportedly over 15 m. He lived on a platform of about a square metre for 37 years, preaching to visitors below.
Wikipedia (Russian) · Wikipedia (English) · 5th century
Meanwhile around the world (±25 years)
Europe
- 410 Sack of Rome by the Visigoths — 13 years earlier
Asia
- c. 427 Founding of Nalanda — 4 years later
Americas
- c. 431 Ilopango eruption — 8 years later
Alive at the time
- Augustine of Hippo (aged 69)
- Attila (aged 17)