You talk about retrocession yet you can only retrocede something which was taken illegitimately.

Mason played an important role during the 1820s in the fight to retrocede Alexandria County from the District of Columbia to Virginia.

They typically purchase this reinsurance from other reinsurance companies, but may also retrocede to other insurance companies to spread the risk more widely.

Residents of the Virginia portion of the District (Alexandria County) successfully petitioned Congress to retrocede their portion of the federal capital to Virginia.

In 1392, "Lutzelbourg" is enfeoffed to the counts of Andlau who shall retrocede their rights next year to the Rathsamhausen-Ehenweier already in ownership of the nearby castle.

Six months after, Spain would retrocede the colony of Louisiana to France-under Spanish possession since the Treaty of Paris (1763) that ended the Seven Years' War.

In April, 1803, the United States purchased Louisiana from France, which had in 1800 forced Spain to retrocede the territory in the Third Treaty of San Ildefonso.

In 1707 Peter was ready to retrocede everything except Saint Petersburg and the line of the Neva, and again Charles preferred risking the whole to saving the greater part of his Baltic possessions.

At this point, in 1707, Peter offered to retrocede everything he had so far occupied (essentially Ingria) except Saint Petersburg and the line of the Neva, to avoid a full-scale war, but Charles XII refused.

On 5 May the Japanese agreed to retrocede the Liaotung Peninsula to China in return for an increased indemnity, but it took until December 1895 to negotiate the necessary treaty amendments, and while the negotiations were in progress Japanese troops remained in place.

(FR) Mr President, during the negotiations on the Northwest Atlantic Fisheries Organisation (NAFO) agreements, the EU head of delegation pledged to retrocede the French cod fishing quota to the fishermen of Saint Pierre and Miquelon.

Though Japan seized control over the peninsula and was awarded it in the subsequent Treaty of Shimonoseki (1895), it was forced to retrocede it to Qing China following the diplomatic pressure of Russia, Germany, and France, the so-called Triple Intervention of 1895.