YearrooGuessroo · All years

When did Edward Jenner test the first vaccine, against smallpox?

179618th century · 1700s

Edward Jenner tests the first vaccine, against smallpox.

Using cowpox. 'Vaccine' comes from the Latin for cow.

1796
150016001700180019002000
Think you know your history? Play today's Yearroo

Around the same time

Some events played out over months or years, so we use the year they are best known for. Spotted a mistake? Email [email protected].