1780 in Delaware

This is a list of events in 1780 in Delaware.

Incumbents

 * Governor: Caesar Rodney

Events

 * October 20 – The 5th Delaware General Assembly convenes succeeding the 4th.

Births

 * January 15 – Cornelius P. Comegys, farmer and politician, 31st governor (d. 1851)
 * August 7 – Benjamin Ferris, watchmaker and historian (d. 1867)
 * October 17 – Thomas Beale Dorsey, farmer, lawyer, politician and judge (d. 1855)
 * December 24 – Willard Hall, attorney and politician (d. 1875)

Undated

 * William Bayard Shields, judge, lawyer and politician (d. 1823)

Deaths

 * August 19 – Johann de Kalb, Franconian-born French military officer (b. 1721)

Undated

 * Hugh Montgomery, sea captain (b. unknown)