Historical clue formulations

• Server error? — 2024-06-24
• Geological rift — 2022-12-12
• It's ground-breaking — 2021-01-03
• Tennis judge's cry — 2018-12-02
• Stepping on the baseline when serving in tennis, e.g. — 2018-09-17
• Crack in the crust — 2017-12-07
• Denali National Park sits on one — 2014-05-17
• *Tennis umpire's cry — 2012-12-10
• Geologist's big break? — 2012-01-13
• Tennis "misstep" — 2010-04-06
• Wimbledon no-no — 2010-01-03
• Poor service — 2005-08-20
• Quake locale — 1998-11-24