When did daylight savings time start and why?

Related questions

1. Is Atlantic Standard Time the same as Eastern Standard Time?
2. Are we currently in EST or EDT?
3. Why did daylight savings time start in the US?
4. What GMT is EDT?
5. Will there be daylight savings time in 2019?
6. What is the difference between Daylight Savings Time and Standard Time?
7. Is Eastern Time and Eastern Standard Time the same?

Tags

1. #nationwide
2. #april
3. #various
4. #empire
5. #george
6. #implementation
7. #german
8. #countries
9. #organized
10. #hungary
11. #energy
12. #first
13. #particularly
14. #times
15. #since
16. #daylight
17. #proposed
18. #1970s
19. #hudson
20. #austria
21. #starting
22. #crisis
23. #saving