Year 1291 (MCCXCI) was a common year starting on Monday of the Julian calendar. August 1 – Federal Charter of 1291: The "three forest cantons" (Waldstätte) of Switzerland (Schwyz, Uri and Unterwalden) form a defensive alliance to protect themselves from the House of Habsburg; this is a starting point for growth of the Old Swiss Confederacy.

The siege of Acre (also called the fall of Acre) took place in 1291 and resulted in the Crusaders' losing control of Acre to the Mamluks. It is considered one of the most important battles of the period.

8月1日 —— 瑞士 的建国通常追溯到1291年8月1日， 8月1日 是国家假日（国庆日）。 8月19日 —— 元廷 设 上海县，標誌 上海 正式建城。 3月10日 —— 阿魯渾， 阿八哈 之子， 伊兒汗國 的第四任君主。

What happened and who was notable in 1291? Browse important events, world leaders, notable birthdays, and tragic deaths from the year 1291.

1291 was a common year starting on Monday of the Julian calendar, the 1291st year of the Common Era (CE) and Anno Domini (AD) designations, the 291st year of the 2nd millennium, the 91st year of the 13th century, and the 2nd year of the 1290s decade. As of the start of 1291, the Gregorian calendar was 7 days ahead of the Julian calendar, which ...

The courts of appeals (other than the United States Court of Appeals for the Federal Circuit) shall have jurisdiction of appeals from all final decisions of the district courts of the United States, the United States District Court for the District of the Canal Zone, the District Court of Guam, and the District Court of the Virgin Islands, excep...

1291年1月26日，元世祖命郭守敬开凿通惠河。 元世祖重用杰出的科学家郭守敬，让他主管全国的水利工作，疏浚河渠，开凿运河，以便利南北交通和物资交流。

1986年12月31日 · For purposes of clause (ii), any excess distribution received during such 3-year period shall be taken into account only to the extent it was included in gross income under subsection (a) (1) (B). The total excess distributions with respect to any stock shall be zero for the taxable year in which the taxpayer’s holding period in such stock begins.

于1291年发生的阿卡围城战（又名阿卡陷落）中，十字军所控制的阿卡城被穆斯林占领。该围城战被认为是这一时期最重要的战役之一。虽然十字军运动持续了几个世纪，但阿卡的陷落标志着十字军进一步向黎凡特进军的失败。

2024年1月1日 · Read this complete 28 U.S.C. § 1291 - U.S. Code - Unannotated Title 28. Judiciary and Judicial Procedure § 1291. Final decisions of district courts on Westlaw. FindLaw Codes may not reflect the most recent version of the law in your jurisdiction.