Text: and tragedies like this make people ask questions.

Correct capitalization: And tragedies like this make people ask questions.

Text: the hotel lies within 5 km of geneve-cointrin airport.

Correct capitalization: The hotel lies within 5 km of Geneve-cointrin airport.

Text: on saturday it will be sunny during the day. the night will bring mainly cloudy, but mostly dry weather. morning temperatures will be around 11 c. during the day they will reach a maximum of 17 c. low temperatures at night will be around 12c. we have moderate to brisk westerly wind with strong gusts.

Correct capitalization: On Saturday it will be sunny during the day. The night will bring mainly cloudy, but mostly dry weather. Morning temperatures will be around 11 C. During the day they will reach a maximum of 17 C. Low temperatures at night will be around 12C. We have moderate to brisk westerly wind with strong gusts.

Text: 1902: the daughter victoria is born. "munken vendt" is published.

Correct capitalization:
1902: The daughter Victoria is born. "Munken Vendt" is published.