*Please note that this timeline is still under construction. More will be added soon.
57 BCE - traditional date of the founding of Shilla by Bak Hyeokgeose
37 BCE - traditional date of the founding of Goguryeo by Jumong
18 BCE - traditional date of the founding of Baekje by Onjo
8 BCE - Baekje absorbs much of the Mahan confederacy
47 CE - the Gaya confederacy arises in the southeastern region of the Korean peninsula
53 CE - Under Taejo, Goguryeo manifests into a truly centralized kingdom
234 CE - Baekje manifests into a truly centralized kingdom under the reign of Goi
250 CE - Japanese attack the coastal regions of Shilla
313 CE - the Chinese commandery at Lelang falls to Goguryeo; the Chinese are driven from the region
356 CE - In Naemul's reign, Shilla manifests into a truly centralized kingdom
372 CE - Buddhism becomes the state religion of Goguryeo
384 CE - Buddhism becomes the state religion of Baekje
475 CE - the former Baekje capital of Hanseong falls to Goguryeo
527 CE - Buddhism becomes the state religion of Shilla
532 CE - Bon-Gaya falls to Shilla
562 CE - Dae-Gaya falls to Shilla; the Gaya states cease to exist as a political entity
598 CE - The Sui Empire attacks Goguryeo; Sui attempts to invade Goguryeo ultimately fail miserably
632 CE - the rise of Queen Seondeok of Shilla, the peninsula's first reigning queen
645 CE - Goguryeo repulses the Tang Empire's aggression
660 CE - Baekje falls to Shilla and the Tang Empire
668 CE - Goguryeo falls to Shilla and the Tang Empire; the Samguk Period concludes









