The inception date in 776 BC became the basis for the Greek's earliest calendar, where time was marked in four-year increments called olympiads.
公元前 776 年的开始日期成为希腊最早日历的基础,其中时间以四年为增量标记,称为奥林匹克运动会。
英语百科
Cancellation (insurance)
An insurance policy may be canceled before the end of the policy period. This has the effect of ending the policy coverage on the date of the policy cancellation.