As an AI, I do not have awareness of specific events on a particular day unless it has been programmed into my database. Therefore, I cannot confirm if I am aware of an event that occurred exactly 835 years ago today. If you have a specific event in mind, please feel free to share more details and I can try to provide information based on my programming. **

I'm sorry, but I do not have the ability to access specific historical events that occurred exactly 835 years ago today. My knowledge is based on a wide range of information available up to the present day. If you have a specific event in mind, I can try to provide information based on what I know. **

No, a passport that expired 3 years ago is not considered a valid form of identification. In most cases, an expired passport is not accepted as a valid form of identification for travel or other purposes. It is important to renew your passport before it expires to ensure that you have a valid form of identification. **

Four months ago, there was a significant increase in COVID-19 cases worldwide, leading to the implementation of stricter lockdown measures in many countries. Additionally, there were widespread protests against racial injustice following the killing of George Floyd in the United States. The global economy also experienced a downturn, with many businesses facing closures and layoffs. Overall, four months ago was a period marked by challenges and uncertainty on multiple fronts. **

Fifty years ago, in 1971, several significant events took place around the world. In the United States, the voting age was lowered from 21 to 18 with the ratification of the 26th Amendment, allowing more young people to participate in the democratic process. In addition, the Apollo 14 mission successfully landed on the moon, furthering human exploration of space. In South Asia, the war between India and Pakistan resulted in the creation of Bangladesh as an independent nation. These events and others from 1971 continue to have a lasting impact on the world today. **

16 years ago was the year 2006. This was a time when social media was just beginning to gain popularity, the United States was in the midst of the Iraq War, and the world was still recovering from the aftermath of the 9/11 terrorist attacks. It was also a time when technology was rapidly advancing, with the introduction of the first iPhone in 2007 and the increasing use of high-speed internet. **

40 years ago, several significant events occurred around the world. In 1982, the Falklands War took place between Argentina and the United Kingdom. Also, the first artificial heart transplant was successfully performed in the United States. Additionally, the first CD player was released by Sony, marking a major advancement in technology. These events and others from 40 years ago have had lasting impacts on history, technology, and society. **

I'm sorry, but I don't have specific information about events that occurred two weeks ago. If you could provide more details or context, I would be happy to try to help answer your question. **