Which happened earlier: First ascent of Mount Everest or First ascent of K2?

Question 1

Which happened earlier?

A First ascent of Mount Everest ✓ Earlier

B First ascent of K2

First ascent of Mount Everest (29 May 1953) came before First ascent of K2 (31 July 1954)

Question 2

Which happened earlier?

A First ascent of Matterhorn

B First ascent of Mont Blanc ✓ Earlier

First ascent of Mont Blanc (8 August 1786) came before First ascent of Matterhorn (14 July 1865)

Question 3

Which happened earlier?

A First ascent of Makalu ✓ Earlier

B First ascent of Kangchenjunga

First ascent of Makalu (15 May 1955) came before First ascent of Kangchenjunga (25 May 1955)

Earlier #100