| Millennium: | 2nd millennium |
| Centuries: | 15th century – 16th century – 17th century |
| Decades: | 1490s 1500s 1510s – 1520s – 1530s 1540s 1550s |
| Years: | 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 |
| Categories: | Births – Deaths – Architecture Establishments – Disestablishments |
The 1520s decade ran from January 1, 1520, to December 31, 1529.
Hassis, Ross. "The Immolation of Hernàn Cortés: Tenochtitlan, June 30, 1521," What If? The World's Foremost Military Historians Imagine What Might Have Been, ed. Robert Cowley.
Parker, Geoffrey. "Martin Luther Burns at the Stake, 1521," What If? 2: Eminent Historians Imagine What Might Have Been, ed. Robert Cowley.
Rabb, Theodore K. "If Only It had Not Been Such a Wet Summer: The Critical Decade of the 1520s," What If? The World's Foremost Military Historians Imagine What Might Have Been, ed. Robert Cowley.