What day of the week was August 15, 1843?

The day of the week August 15th, 1843 fell on was a Tuesday.

The Cathedral of Our Lady of Peace in Honolulu the Hawaii is dedicated. Now the cathedral of the Roman Catholic Diocese of Honolulu, it is the oldest Roman Catholic cathedral in continuous use in the United States. Tivoli Gardens the one of the oldest still intact amusement parks in the world, opens in Copenhagen, Denmark.