1190 1191 1192 1193 1194 1195 1196 1197 The Fourth Crusade was launched to again go the Holy Land, but instead resulted in the Sack of Constantinople and the collapse of the Byzantine Empire.
[144] 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 Frederick II, Holy Roman Emperor, undertook the Sixth Crusade and made significant gains with no military actions.
[221] 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 Louis IX of France launched the Seventh Crusade against Egypt, again resulting in disaster.
[247] 1245 1246 1247 1248 1249 12501251 1252 1253 1254 1256 1257 1258 1259 1260 1261 1263 1265 Louis IX of France again takes the cross, launching Eighth Crusade against Tunis.
[313]1270 1271 1272 The Mamluks under Baibars, later Qalawun, continued their onslaught on the Franks in the Levant, leading to the Fall of Tripoli in 1289 and, two years later, their successful Siege of Acre.