From Infogalactic: the planetary knowledge core
|Centuries:||15th century – 16th century – 17th century|
|Decades:||1510s 1520s 1530s – 1540s – 1550s 1560s 1570s|
|Years:||1545 1546 1547 – 1548 – 1549 1550 1551|
|1548 by topic|
|Arts and science|
|Lists of leaders|
|Birth and death categories|
|Establishments and disestablishments categories|
|Ab urbe condita||2301|
|English Regnal year||1 Edw. 6 – 2 Edw. 6|
|Chinese calendar||丁未年 (Fire Goat)
4244 or 4184
— to —
戊申年 (Earth Monkey)
4245 or 4185
|- Vikram Samvat||1604–1605|
|- Shaka Samvat||1470–1471|
|- Kali Yuga||4649–4650|
|Japanese calendar||Tenbun 17
|Minguo calendar||364 before ROC
|Thai solar calendar||2090–2091|
|Wikimedia Commons has media related to 1548.|
- February 14 – Battle of Uedahara: Firearms are used for the first time on the battlefield in Japan, and Takeda Shingen is defeated by Murakami Yoshikiyo.
- April 1 – Sigismund II Augustus succeeds his father, Sigismund I the Old, as King of Poland and Grand Duke of Lithuania.
- July 7 – A marriage treaty is signed between Scotland and France, whereby 5-year-old Mary, Queen of Scots, is betrothed to the future King Francis II of France.
- August 7 – Mary, Queen of Scots, leaves for France.
- October 20 – The city of La Paz, Bolivia, is founded.
- October 31 – At the first sejm of King Sigismund II Augustus of Poland, deputies demand that the king renounce his wife Barbara Radziwiłł.
- December – Siam attacks Tavoy beginning the Burmese–Siamese War 1548.
- The Ming Dynasty government of China issues a decree banning all foreign trade and closes down all seaports along the coast; these Hai jin laws came during the Wokou wars with Japanese pirates, while the Portuguese began regular trade missions to China in 1549, and the ban on maritime trade was fully lifted in 1567.
- John Dee starts to study at Katholieke Universiteit Leuven.
- January 5 – Francisco Suárez, Spanish philosopher and theologian (d. 1617)
- February 6 – Francesco Panigarola, Italian bishop (d. 1594)
- March 13 – Sasbout Vosmeer, Dutch Apostolic Vicar (d. 1614)
- March 17 – Honda Tadakatsu, Japanese general (d. 1610)
- March 18 – Cornelis Ketel, Dutch painter (d. 1616)
- April 15 – Pietro Cataldi, Italian mathematician (d. 1626)
- May – Carel van Mander, Dutch painter and poet (d. 1606)
- May 8 – Giacomo Boncompagni, Illegitimate son of a Pope (d. 1612)
- May 10 – Antonio Priuli, Doge of Venice (d. 1623)
- July 8 – Kim Jang-saeng, Scholar and writer (d. 1631)
- July 15 – George III, Count of Erbach-Breuberg (1564–1605) (d. 1605)
- August 26 – Bernardino Poccetti, Italian painter (d. 1612)
- September 2 – Vincenzo Scamozzi, Italian architect (d. 1616)
- September 7 – Filippo Boncompagni, Catholic cardinal (d. 1586)
- September 29 – William V, Duke of Bavaria (d. 1626)
- October 4 – Matsumae Yoshihiro, daimyo of Ezochi (Hokkaidō (d. 1616)
- November 27 – Jacopo Mazzoni, Italian philosopher (d. 1598)
- December 14 – Fernando Ruiz de Castro Andrade y Portugal, Grandee of Spain (d. 1601)
- December 30 – David Pareus, German theologian (d. 1622)
- date unknown
- January 23 – Bernardo Pisano, Italian composer (b. 1490)
- February 26 – Lorenzino de' Medici, writer and assassin (b. 1514)
- March 23 – Itagaki Nobukata, Japanese retainer
- March 24 – Gissur Einarsson, first Lutheran bishop in Iceland
- April 1 – King Sigismund I the Old of Poland (b. 1467)
- May 30 – Juan Diego Cuauhtlatoatzin, Mexican Catholic saint (b. 1474)
- June 3 – Juan de Zumárraga, Spanish Catholic bishop of Mexico (b. 1468)
- June 6 – João de Castro, Portuguese explorer (b. 1500)
- June 14 – Carpentras, French composer (b. c. 1470)
- September 8 – Catherine Parr, Sixth and last Queen of Henry VIII of England (b. c. 1512)
- October 27 – Johannes Dantiscus, Polish poet and Bishop of Warmia (b. 1485)
- December 27 – Francesco Spiera, Italian Protestant jurist (b. 1502)