An 1837 treaty with the natives secured the city for white settlement.

The treaty secured the emergence of an independent Bulgarian state for the first time since 1396.

The first treaty secured for the jurisdiction over Venetian citizens abroad.

The Treaty of Northampton secured peace between the two countries.

In 1783, the Treaty of Paris secured independence for each of the former colonies.

Various treaties with Genoa secured and strengthened the commercial power of Sicily.

A secret treaty between Turkey and Germany secures Turkish neutrality.

A second treaty secured safe passage along the Santa Fe Trail for wagon trains.

The 1919 Treaty of Versailles secured the Ukrainian land after other European countries.

The Treaty set the borders of modern Turkey and secured the freedom of the Straits.